Explore topic-wise MCQs in Arithmetic Ability.

This section includes 367 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

51.

The volume of a right circular cone, whose radius of the base is half of its altitude, and the volume of a hemisphere are equal. The ratio of the radius of the cone to the radius of the hemisphere is

A. √2 : 1
B. 0.042361111111111
C. 0.084027777777778
D. 1 : √2
Answer» C. 0.084027777777778
Discussion
52.

The total number of students in a class is 65. If the total number of girls in the class is 35, then the ratio of the total number of boys to the total number of girls is_x005F_x000D_

A. 6:7_x005F_x000D_
B. 7:6_x005F_x000D_
C. 13:7_x005F_x000D_
D. 0.30069444444444
Answer» B. 7:6_x005F_x000D_
Discussion
53.

The third proportional to 9 and 12 is ?

A. 14
B. 16
C. 18
D. 20
Answer» C. 18
Discussion
54.

The third proportional of two numbers 4 and 28 is _______.

A. 52
B. 56
C. 84
D. 196
Answer» E.
Discussion
55.

The third proportional of two numbers 9 and 24 is

A. 39
B. 48
C. 72
D. 64
Answer» E.
Discussion
56.

The third proportional of two numbers 9 and 15 is

A. 21
B. 30
C. 25
D. 45
Answer» D. 45
Discussion
57.

The third proportional of two numbers 7 and 21 is

A. 35
B. 63
C. 42
D. 21
Answer» C. 42
Discussion
58.

The third proportional of two numbers 4 and 20 is

A. 36
B. 40
C. 100
D. 60
Answer» D. 60
Discussion
59.

The third proportional of two numbers 24 and 36 is

A. 48
B. 54
C. 72
D. 108
Answer» C. 72
Discussion
60.

The third proportional of two numbers 12 and 48 is

A. 84
B. 96
C. 192
D. 144
Answer» D. 144
Discussion
61.

The sum of three numbers is 98. If the ratio of the first to second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is:

A. 10
B. 20
C. 30
D. 40
Answer» D. 40
Discussion
62.

The sum of two numbers is 248 and their difference is 8. What is the ratio of the two numbers?_x005F_x000D_

A. 0.63611111111111
B. 0.29722222222222
C. 0.25486111111111
D. 0.56111111111111
Answer» B. 0.29722222222222
Discussion
63.

The ratio of two numbers is 6 : 11 and their difference is 65. What will be the smaller number among both the numbers?

A. 58
B. 65
C. 52
D. 78
Answer» E.
Discussion
64.

The salaries of A, B, and C are in the ratio of 1 : 2 : 3. The salary of B and C together is Rs. 6000. By what percent is the salary of C more than that of A?

A. 1
B. 2
C. 3
D. 6
Answer» C. 3
Discussion
65.

The sum of three numbers is 162. If the ratio of the first number to the second number is 5 : 7 and that of the second number to the third number is 5 :3, then what is the second number?

A. 35
B. 70
C. 80
D. 40
Answer» C. 80
Discussion
66.

The reciprocals of the squares of the numbers 11⁄2 and 11⁄3 are in the ratio

A. 64 : 81
B. 0.33958333333333
C. 81 : 64
D. 0.38055555555556
Answer» B. 0.33958333333333
Discussion
67.

The ratio of two positive numbers is 3:4. The sum of their squares is 400. What is the sum of the numbers?

A. 28
B. 22
C. 24
D. 26
Answer» B. 22
Discussion
68.

The ratio of two numbers is 5 : 4. If the sum of both the numbers is 180, then what is the smaller number among both the numbers?

A. 100
B. 80
C. 60
D. 75
Answer» C. 60
Discussion
69.

The ratio of two numbers is 5 : 6. If their product is 1470, then what is the sum of both the numbers?

A. 210
B. 77
C. 132
D. 98
Answer» C. 132
Discussion
70.

The ratio of three numbers is 5 : 6 : 8. If the sum of the three numbers is 380, then what is the smallest among the three numbers?

A. 75
B. 80
C. 120
D. 100
Answer» E.
Discussion
71.

The ratio of three numbers is 2 : 5 : 7. If their product is 1890, then what is the sum of the three numbers?

A. 82
B. 140
C. 42
D. 72
Answer» D. 72
Discussion
72.

The ratio of two numbers is 2 : 3. If the sum of both the numbers is 75, then what is the larger number among both the numbers?

A. 45
B. 30
C. 50
D. 48
Answer» B. 30
Discussion
73.

The ratio of three numbers is 2 : 3 : 5. If the sum of the three numbers is 275, then what is the largest among the three numbers?

A. 142
B. 137.5
C. 82.5
D. 110.5
Answer» C. 82.5
Discussion
74.

The ratio of the sides of a triangular shaped park is 3 : 4 : 5 and the perimeter of the park is 170 m. What is the perpendicular distance in meters from the vertex, opposite to the largest side of the park?

A. 2400 √84
B. 2200 √84
C. 1400 √84
D. None
Answer» E.
Discussion
75.

The ratio of the number of marbles that Pulak and Menaja had was 5:9 while the ratio of the number of marbles that Jairam and Menaja had was 7:18. What is the ratio of the number of marbles that Pulak and Jairam had?_x005F_x000D_

A. 0.42152777777778
B. 2:3_x005F_x000D_
C. 0.21319444444444
D. 0.29513888888889
Answer» B. 2:3_x005F_x000D_
Discussion
76.

The ratio of the weights of two spheres is 8 : 27 and the ratio of weights per 1 cc of materials of two is 8 : 1 . The ratio of the radii of the spheres is

A. 0.085416666666667
B. 0.04375
C. 0.12569444444444
D. 0.12638888888889
Answer» C. 0.12569444444444
Discussion
77.

The ratio of the sum of the salaries of A and B to the difference of their salaries is 11:1 and the ratio of the sum of the salaries of B and C to the difference of their salaries is also 11:1. If A's salary is the highest and C's is the lowest then what is B's salary (in Rs) given the total of all their salaries is Rs 1,82,000?

A. 72000
B. 60000
C. 50000
D. 86400
Answer» C. 50000
Discussion
78.

The ratio of the number of marbles that Joyee and Minati had was 5 : 8 while the ratio of the number of marbles that Jacob and Minati had was 7 : 12. What is the ratio of the number of marbles that Joyee and Jacob had?

A. 0.21319444444444
B. 0.29513888888889
C. 0.63472222222222
D. 0.085416666666667
Answer» D. 0.085416666666667
Discussion
79.

The ratio of the monthly salaries of A and B is in the ratio 5 : 16 and that of B and C is in the ratio 17 : 18. Find the monthly income of C if the total of their monthly salary is Rs. 1,87,450.

A. Rs. 66,240
B. Rs. 72,100
C. Rs. 62,200
D. Rs. 65,840
Answer» B. Rs. 72,100
Discussion
80.

The ratio of the incomes of Pavan and Amar is 4 : 3 and the ratio of their expenditures are 3:2. If each person saves Rs. 1889, then find the income of Pavan?

A. 6548
B. 5667
C. 7556
D. 8457
Answer» D. 8457
Discussion
81.

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?

A. 1.6 m
B. 2 m
C. 0.9 m
D. 1.8 m
Answer» B. 2 m
Discussion
82.

The ratio of the measures of an interior angle of a regular hexagon to that of a regular dodecagon is

A. 0.04375
B. 0.17013888888889
C. 0.12777777777778
D. 0.25833333333333
Answer» C. 0.12777777777778
Discussion
83.

The ratio of the area of a square to the area of a reenlar hexagon. having the same perimeter is:_x005F_x000D_

A. 2 : 3
B. 0.12638888888889
C. 0.04375
D. 4: 33
Answer» C. 0.04375
Discussion
84.

The ratio of the amount of work done by (x-1) labours in (x+1) days and that done by (x+1) labours in (x+2) days is 5 : 6. Then the value of x is

A. 16
B. 15
C. 17
D. 14
Answer» B. 15
Discussion
85.

The ratio of the angles of a triangle is 3 : 4 : 5. The three angles of a quadrilateral is equal to three angles of this triangle. What is the sum of the largest angle and second smallest angle of the quadrilateral ?

A. 225 deg
B. 210 deg
C. 205 deg
D. 245 deg
Answer» B. 210 deg
Discussion
86.

The ratio of students in a coaching preparing for B.tech and MBA is 4 : 5. The ratio of fees collected from each of B.tech and MBA students is 25 : 16. If the total amount collected from all the students is 1.62 lakh, what is the total amount collected from omly MBA aspirants?

A. Rs. 62,000
B. Rs. 72,000
C. Rs. 82,000
D. None of these
Answer» C. Rs. 82,000
Discussion
87.

The ratio of the ages of two boys is 3:4. After 3 years, the ratio will be 4:5.The ratio of their ages after 21 years will be

A. 0.59513888888889
B. 0.72152777777778
C. 0.46666666666667
D. 0.42430555555556
Answer» E.
Discussion
88.

The ratio of Pens and Pencils in a shop is 3 : 2 respectively. The average number of Pens and Pencils is 180. What is the number of Pencils in the shop?

A. 444
B. 344
C. 244
D. 144
Answer» E.
Discussion
89.

The ratio of salary of u, v and w is 8 : 7 : 13. If w gets Rs 3384 more than that of v, then what is the salary (in Rs) of u?_x005F_x000D_

A. 4432_x005F_x000D_
B. 4512_x005F_x000D_
C. 4642_x005F_x000D_
D. 5144
Answer» C. 4642_x005F_x000D_
Discussion
90.

The ratio of present ages of R and S is 6:7. Before 12 years the ratio of their ages was 9:11. What is R's present age (in years)?

A. 56
B. 48
C. 36
D. 44
Answer» C. 36
Discussion
91.

The ratio of salary of X, Y and Z is 15 : 3 : 8. If Z gets Rs. 3960 more than Y, then what is the salary (in Rs.) of X?

A. 11880
B. 12360
C. 9900
D. 10240
Answer» B. 12360
Discussion
92.

The ratio of speed of three racers is 3 : 4 : 6. What is the ratio of time taken by the three racers to cover the same distance?_x005F_x000D_

A. 0.12784722222222
B. 0.2528125
C. 0.16877314814815
D. 0.085474537037037
Answer» D. 0.085474537037037
Discussion
93.

The ratio of number of cans of orange, pineapple and mixed fruit juices kept in a store is 8 : 9 : 15. If the store sells 25%, 33.33% and 20% of orange, pineapple and mixed fruit juices cans respectively, then what is the ratio of number of cans of these juices in the remaining stock?

A. 0.042384259259259
B. 0.25431712962963
C. 0.51063657407407
D. 0.17306712962963
Answer» B. 0.25431712962963
Discussion
94.

The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.

A. 0.043090277777778
B. 0.085462962962963
C. 0.085428240740741
D. 0.12640046296296
Answer» B. 0.085462962962963
Discussion
95.

The ratio of money with Ram and Gopal is 7:17 and with Gopal and Krishan is 7:17. If Ram has 490, Krishan has

A. 2890
B. 2680
C. 2330
D. 1190
Answer» B. 2680
Discussion
96.

The ratio of number of boys to the number of girls in a school of 432 pupils is 5 : 4. When some new boys and girls are admitted, the number of boys increase by 12 and the ratio of the boys to girls changes to 7 : 6. The number of new girls admitted is

A. 12
B. 14
C. 24
D. 20
Answer» D. 20
Discussion
97.

The ratio of number of boys and girls in a school of 720 students is 7 : 5 . How many more girls should be admitted to make the ratio 1 : 1 ?

A. 90
B. 120
C. 220
D. 240
Answer» C. 220
Discussion
98.

The ratio of male and female in a city is 7 : 8 respectively and percentage of children among male and female is 25 and 20 respectively. If number of adult females is 156800, what is the total population of the city?

A. 4,12,480
B. 3,67,500
C. 5,44,700
D. 2,98,948
Answer» C. 5,44,700
Discussion
99.

The ratio of incomes of C and D is 3 : 2. Ratio of income of D and E is 5 : 4. If one-third of C’s income is Rs 4000 more than the half of E’s income, then what is the D’s income (in Rs)?

A. 40000
B. 43000
C. 50000
D. 60000
Answer» B. 43000
Discussion
100.

The ratio of incomes of P and Q is 5 : 3. Ratio of income of Q and R is 5 : 2. If one-fourth of P’s income is Rs 500 more than the R’s income, then what is the income (in Rs) of Q?_x005F_x000D_

A. 7500
B. 15000
C. 30000
D. 18000
Answer» D. 18000
Discussion