Explore topic-wise MCQs in 8th Class.

This section includes 2318 Mcqs, each offering curated multiple-choice questions to sharpen your 8th Class knowledge and support exam preparation. Choose a topic below to get started.

751.

120 men had provision of food for 200 days, after 5 days, 30 men died due to expediency (i.e. due to some other immediate cause). How long will the remaining food last?

A.  250 days                     
B.  300 days        
C.  200 day           
D.  260 days
Answer» E.
752.

The width of Sudha's garden is \[\frac{2}{3}\] of its length. If its perimeter is \[40\text{ }m,\] find its dimensions.

A.  length \[=12\text{ }m\] and breadth \[=8\text{ }m\]
B.                         length \[=8\text{ }m\] and breadth \[=12\text{ }m\]
C.                         length \[=12\text{ }m\] and breadth \[=6\text{ }m\]
D.                         length \[=8\text{ }m\] and breadth \[=4\text{ }m\]
Answer» B.                         length \[=8\text{ }m\] and breadth \[=12\text{ }m\]
753.

Find the number which when added to the numerator and denominator of the ratio 11 : 23, makes it equal to the ratio 4 : 7?

A.  5
B.  10             
C.  15                               
D.  20
Answer» B.  10             
754.

Match the following. Column - I Column - II P. If \[\frac{5m}{6}+\frac{3m}{4}=\frac{19}{12},\] then \[m=\] (i) \[\frac{1}{6}\] Q. If \[2x+\frac{3}{4}=\frac{x}{2}+1,\] then \[x=\] (ii) \[36\] R. If \[\frac{z}{2}-\frac{3z}{4}+\frac{5z}{6}=21,\] then \[z=\] (iii) \[\frac{27}{10}\] S. If \[\frac{y}{2}-\frac{1}{5}=\frac{y}{3}+\frac{1}{4},\] then \[y=\] (iv) 1

A.  P\[\to \](iii); Q\[\to \](iv); R\[\to \](i); S\[\to \](ii)
B.  P\[\to \](iv); Q\[\to \](ii): R\[\to \](iii): S\[\to \](i)
C.  P\[\to \](ii); Q\[\to \](i); R\[\to \](iii); S\[\to \](iv)
D.  P\[\to \](iv); Q\[\to \](i); R\[\to \](ii); 5\[\to \](iii)
Answer» E.
755.

One number is 3 times another number. If 15 is added to both the numbers, one of the new numbers becomes twice that of the other new number. Find the numbers.

A.  15 and 60  
B.                         30 and 45
C.                         15 and 30  
D.                         15 and 45
Answer» E.
756.

Find the value of x and y in the given equation \[\frac{x}{a}+\frac{y}{b}=a+b,\frac{x}{{{a}^{2}}}+\frac{y}{{{b}^{2}}}=2\]

A.  \[x=a,y=b\]     
B.  \[x={{a}^{2}},y={{b}^{2}}\]    
C.  \[x=3a,\text{ }y=b\]                
D.  \[x=a,y=2b\]
Answer» C.  \[x=3a,\text{ }y=b\]                
757.

Solve: \[1.32y+0.02y=1.19+y\]

A.  \[-\frac{7}{2}\]                                
B.                         \[3\frac{1}{2}\]               
C.                         \[\frac{7}{4}\]                                  
D.                         \[-3\frac{1}{4}\]
Answer» C.                         \[\frac{7}{4}\]                                  
758.

Four-fifth of number is more than three-fourth of the number by 4. Find the number

A.  20                               
B.  60            
C.  80  
D.  100
Answer» D.  100
759.

State 'T' for true and 'F' for false.I. An altitude of a triangle is five-third the length of its corresponding base. If the altitude be increased by 4 cm and the base be decreased by 2 cm the area of the triangle would remain the same. The base and the altitude of the triangle respectively is 12 cm and 20 cm.II. The perimeter of a rectangle is 140 cm. If the length of the rectangle is increased by 2 cm and its breadth decreased by 2 cm the area of the rectangle is increased by 66 sq. cm. The length and breadth of the rectangle respectively is 35 cm and 30 cm.III. The sum of two numbers is 2490. If 6.5% of one number is equal to 8.5% of the other number then one of the numbers will be 1411.

A. IIIIIIFFF               
B. IIIIIIFTT               
C. IIIIIITFF               
D. IIIIIITFT
Answer» E.
760.

The sum of two numbers is 35 and their difference is 13. What are the numbers?

A.  \[10,25\]                            
B.                         \[22,13\]            
C.                         \[24,11\]                            
D.                         \[20,15\]            
Answer» D.                         \[20,15\]            
761.

One third of a number is 8 less than the number. Find the number

A.  18                               
B.  15            
C.  9                    
D.  12
Answer» E.
762.

If \[9-7x=5-3x,\] what is the value of 'x'?

A.  \[0\]                                    
B. \[\frac{1}{4}\]                                  
C. \[\frac{1}{2}\]                                  
D. \[1\]
Answer» E.
763.

Which of the following statements is CORRECT? Statement 1: \[X=\frac{1}{2}\] is the solution of \[\frac{(2x-3)}{4}-\frac{(2x-1)}{2}=\frac{x-2}{3}\]. Statement 2: \[x=\frac{63}{2}\] is the solution of \[\frac{2x-17}{2}-\left( x-\frac{x-1}{3} \right)=12\].

A.  Only Statement-1
B.  Only Statement-2
C.  Both Statement -1 and Statement - 2
D.  Neither Statement -1 nor Statement - 2
Answer» B.  Only Statement-2
764.

Find the value of y, if \[\frac{3y-1}{5}+\frac{y-1}{2}=3+\frac{1+y}{2}\]

A.  5                                
B.  6              
C.  7
D.  8
Answer» D.  8
765.

Fill in the blanks. (i) The solution of the equation \[ax+b=0\] is____. (ii) The shifting of a number from one side of an equation to other is _____. (iii) If a and b are positive integers then the solution of the equation \[ax=b\] has to be always _____. (iv) Linear equation in one variable has only one variable with power____.

A. (i) (ii) (iii) (iv)  \[x=b/a\] Commutativity Positive 1                
B. (i) (ii) (iii) (iv)  \[x=-b/a\] Commutativity Negative 2                
C. (i) (ii) (iii) (iv)  \[x=b/a\] Transposition Negative 2
D. (i) (ii) (iii) (iv)  \[x=-b/a\] Transposition Positive 1
Answer» E.
766.

If\[\mathbf{0}.\mathbf{3}\left( \mathbf{x}-\mathbf{1} \right)-\mathbf{0}.\mathbf{5}\left( \mathbf{2x}-\mathbf{1} \right)=\mathbf{0}.\mathbf{6}\], then x = _____

A.  \[-\]2                           
B.  \[-\]4/7  
C.  \[-\]3                          
D.  \[-\]1
Answer» C.  \[-\]3                          
767.

A steamer goes downstream and covers the distance between two ports in 5 hours while it covers the same distance upstream in 6 hours. If the speed of the stream is 1 km/hr, find the speed of the steamer in still water.

A.  12 km/hr        
B.         11 km/hr        
C.         13 km/hr        
D.         14 km/hr
Answer» C.         13 km/hr        
768.

If \[2-\frac{x}{3}=4,\]what is the value of ?x??

A.  \[-6\]  
B.                         \[6\]                    
C.                         \[-4\]                   
D.                         \[4\]
Answer» B.                         \[6\]                    
769.

The sum of five consecutive natural numbers is 65. Find the mid number

A.  26                               
B.  30            
C.  13
D.  32
Answer» D.  32
770.

A number is 56 greater than the average of its third, quarter and one-twelfth. Find the number.

A.  85                  
B.         64      
C.  72                  
D.         40                  
Answer» D.         40                  
771.

Which of the following values satisfies \[\frac{2x+1}{3x-1}=\frac{3}{2}\]?

A.  \[x=1\]                               
B.                         \[x=-1\]              
C.                         \[x=2\]                               
D.                         \[x=-3\]
Answer» B.                         \[x=-1\]              
772.

If\[\frac{3x-4}{3}+\frac{5x+2}{2}=\frac{x}{6}+\mathbf{3}\], then x = ____

A.  1
B.  2            
C.  3                                
D.  4
Answer» B.  2            
773.

Two years ago, Mohit was three times as old as his son and two years hence, twice of his age will be equal to five times that of his son. Then the present age of Mohit is _____.

A.  14 years
B.         38 years         
C.  32 years         
D.         34 years         
Answer» C.  32 years         
774.

Which of the following are the consecutive multiples of 3 whose sum is 51?

A.  \[24,27\]            
B.                         \[20,31\]                            
C.                         \[40,11\]                            
D.                         \[25,26\]
Answer» B.                         \[20,31\]                            
775.

Five years hence, a man's age will be three times his son's age and five years ago, he was seven times as old as his son. Find their present ages.

A.  36, 9                           
B.  40, 10
C.  48, 12                         
D.  60, 15
Answer» C.  48, 12                         
776.

At a party, colas, squash and fruit juice were offered to guests. One-fourth of the guests drank colas, One-third drank squash, two-fifths drank fruit juice and just three did not drink anything. How many guests were there in all?

A.  240                            
B.  180    
C.  144                
D.         190    
Answer» C.  144                
777.

If the angles of a triangle are in the ratio  \[2:3:4,\]what is the difference between the greatest and the smallest angles?

A.  \[{{10}^{o}}\]                   
B.                         \[{{20}^{o}}\]  
C.                         \[{{30}^{o}}\]                   
D.                         \[{{40}^{o}}\]
Answer» E.
778.

If the numerator of a fraction is increased by 2 and denominator decrease by 1, then it becomes\[\frac{2}{3}\]. If the numerator is increased by 1 and denominator increased by 2, then it becomes\[\frac{1}{3}\]. Find the fraction.

A.  1/7                              
B.  2/7
C.  3/7                              
D.  4/7
Answer» C.  3/7                              
779.

A two digit number is seven times the sum of its digits. The number formed by reversing the digits is 18 less than the original number. Find the original number.

A.  86                               
B.  64            
C.  75                               
D.  42
Answer» E.
780.

Sunita is twice a sold as Ashima. If six years is subtracted from Ashima's age and four years added to Sunita's age, then Sunita will be four times that of Ashima's age. Find the sum of their ages two years ago.

A.  40 years                     
B.  42 years         
C.  36 years         
D.         38 years         
Answer» E.
781.

What is the solution of \[{{(x+4)}^{2}}-{{(x-5)}^{2}}=9\]?

A.  \[x=1\]               
B.                         \[x=2\]               
C.                         \[x=3\]               
D.                         \[x=4\]
Answer» B.                         \[x=2\]               
782.

There were only two candidates in an election. One got \[\text{62 }\!\!%\!\!\text{ }\] votes and was elected by a margin of 144 votes. The total number of voters were _____.

A.  500                            
B.  600    
C.  700                
D.         800
Answer» C.  700                
783.

The sum of two numbers is 69 and their difference is 17. Find the numbers.

A.  43, 26  
B.  46, 23          
C.  51, 18                         
D.  52, 17
Answer» B.  46, 23          
784.

One-sixth of a number when subtracted from the number itself gives 25. The number is

A.  30      
B.         32      
C.  35                  
D.         28
Answer» B.         32      
785.

If a number increased by 8% of itself gives 135, what is the number?

A.  \[112\]                                                
B.                         \[100\]                                
C.                         \[125\]                                
D.                         \[75\]
Answer» D.                         \[75\]
786.

If the length and breadth of a room are increased by 1 m each, its area is increased by 21 m2. If the length is increased by 1 m and breadth decreased by 1 m, the area is decreased by 5m2. Find the area of the room.

A.  96 \[{{m}^{2}}\]  
B.  108 \[{{m}^{2}}\]         
C.  90 \[{{m}^{2}}\]                   
D.  60 \[{{m}^{2}}\]
Answer» B.  108 \[{{m}^{2}}\]         
787.

if the angles of a triangle are in the ratio 2:3:4, then the difference between the greatest and the smallest angle is ____.

A.  \[\text{10 }\!\!{}^\circ\!\!\text{ }\]                            
B.  \[\text{20 }\!\!{}^\circ\!\!\text{ }\]    
C.         \[\text{30 }\!\!{}^\circ\!\!\text{ }\]                
D.         \[\text{40 }\!\!{}^\circ\!\!\text{ }\]                
Answer» E.
788.

If 10 is added to four times a certain number the result is 5 less than five times the number. What is the number?

A.  \[10\]                                                  
B.                         \[15\]                                  
C.                         \[20\]                                  
D.                         \[25\]
Answer» C.                         \[20\]                                  
789.

The result of dividing a number of two digits by the number with digits reversed is 5/6. If the difference of digits is 1, find the number.

A.  45
B.  65             
C.  87                               
D.  67
Answer» B.  65             
790.

Find two parts of 34 such that \[{{\left( \frac{\text{4}}{\text{7}} \right)}^{\text{th}}}\]of one part is equal to \[{{\left( \frac{2}{5} \right)}^{\text{th}}}\] of the other.

A.  16, 18            
B.  14, 20
C.         15, 19
D.         None of these 
Answer» C.         15, 19
791.

Reema bought x pens at Rs 2.60 each and y greeting cards at 80 paise each. If the pens costs Rs. 12 more than the cards, the equation involving x and y is

A.  \[13x-4y=6\]                
B.  \[13x-4y=60\]
C.  \[260x-8y=100\]           
D.  \[260x-8y=12\]
Answer» C.  \[260x-8y=100\]           
792.

A boat goes downstream and covers the distance between two ports in 4 hours while it covers the same distance upstream in 5 hours. If the speed of the stream is \[2\text{ }kmph,\] what is the speed of the boat in still water?                  

A.  \[15\text{ }kmph\]                        
B.                         \[20\text{ }kmph\]                        
C.                         \[24\text{ }kmph\]                        
D.                         \[\text{18 }kmph\]
Answer» E.
793.

Hussain weight \[1\frac{1}{4}\]times more than Rahul If their total mass is 90 kg, what is Hussain is mass

A.  90                               
B.  50 kg 
C.  40                               
D.  20 kg
Answer» C.  40                               
794.

If \[x-\left( 2x-\frac{5x-1}{3} \right)=\frac{x-1}{3}+\frac{1}{2}\] then, \[x\] is equal to ___.

A.  \[\frac{3}{2}\]                                   
B.  \[\frac{4}{7}\]                       
C.  \[\frac{7}{3}\]                       
D.         \[\frac{9}{2}\]
Answer» B.  \[\frac{4}{7}\]                       
795.

351 is divided in the ratio\[2:7\]. Find the product of the two numbers.

A.  \[Rs.\,20294\]     
B.                         \[Rs.\,21294\]                  
C.                         \[Rs.\,25295\]                  
D.                         \[Rs.\,31294\]
Answer» C.                         \[Rs.\,25295\]                  
796.

A rectangular box has a length (5P - 6)m and breadth is (P + 4)m. What is the breadth of the box, if its perimeter is 20 m

A.  2                                
B.  4              
C.  6
D.  8
Answer» D.  8
797.

A father's age is 7 times as old as his son. Two year ago, the father was 13 times as old as his son. What are their present ages? (Son and father respectively)

A.  6, 24                           
B.  8, 32           
C.  4, 28
D.  9, 36
Answer» D.  9, 36
798.

The denominator of a rational number is greater than its numerator by 3. If 3 is subtracted from the numerator and 2 is added to its denominator, the new number becomes 1/5. The original rational number is;___.

A.  \[-\frac{5}{8}\]                                 
B.  \[\frac{5}{8}\]                       
C.  \[\frac{3}{8}\]                       
D.         \[-\frac{3}{8}\]
Answer» C.  \[\frac{3}{8}\]                       
799.

A boy travels a distance 25 km, in 4 hours partly on foot at rate 3.5 km/hr and partly on cycle at 9 km/hr. Find the distance on foot.

A.  5 km                           
B.  7 km 
C.  6 km                           
D.  8 km
Answer» C.  6 km                           
800.

The prices of a scooter and cycle are in the ratio\[9:5\]. If the scooter costs \[Rs.4,200\]more than a cycle, what is the price of the cycle?

A. \[Rs.\,5250\]                                     
B.                        \[Rs.5200\]                                        
C.                        \[Rs.\,5000\]                                     
D.                         \[Rs.\,4800\]    
Answer» B.                        \[Rs.5200\]