Explore topic-wise MCQs in Arithmetic Ability.

This section includes 225 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

151.

Find the HCF of (3125-1) and (335-1).

A. 34-1
B. 35-1
C. 312-1
D. None of these
Answer» C. 312-1
Discussion
152.

If x +y +z =0, then x3 +y3 +z3 is equal to :

A. 0
B. 3xyz
C. (xy +yz +zx) /xyz
D. xyz(xy + yz + zx)
Answer» C. (xy +yz +zx) /xyz
Discussion
153.

Find the LCM and HCF of 2.5, 0.5 and 0.175.

A. 2.5
B. 5
C. 7.5
D. 17.5
Answer» E.
Discussion
154.

A man sells chocolates which are in the boxes. Only either full box or half a box of chocolates can be purchased from him. A customer comes and buys half the number of boxes which the seller had plus half box more. A second customer comes and purchases half the remaining number of boxes plus half a box. After this the seller is left with no chocolate boxes. How many chocolate boxes the seller had initially?

A. 2
B. 3
C. 4
D. 3.5
E. None of these
Answer» C. 4
Discussion
155.

The HCF of 2472, 1284 and a third number 'N' is 12. If their LCM is 23*32*5*103*107, then the number 'N' is:

A. 22*32*7
B. 22*33*10
C. 22*32*5
D. None of these
Answer» E.
Discussion
156.

x is five digit number. The digit in ten thousands place is 1. the number formed by its digits in units and ten places is divisible by 4. The sum of all the digits is divisible by 3. If 5 and 7 also divide x, then x will be.

A. 14020
B. 12060
C. 10020
D. 10080
Answer» E.
Discussion
157.

On a road three consecutive traffic lights change after 36, 42 and 72 seconds respectively. If the lights are first switched on at 9:00 AM sharp, at what time will they change simultaneously?

A. 9:08:04
B. 9:08:24
C. 9:08:44
D. None of these
Answer» C. 9:08:44
Discussion
158.

The number of prime factors in the expressions64 *86 *108 *1210 is:

A. 80
B. 64
C. 72
D. 48
Answer» D. 48
Discussion
159.

A student got twice as many sums wrong as he got right. If he attempted 48 sums in all, how many did he solve correctly?

A. 12
B. 16
C. 24
D. 18
Answer» C. 24
Discussion
160.

The square of a number greater than 1000 that is not divisible by three, when divided by three, leaves a remainder of

A. 1 always
B. 2 always
C. either 1 or 2
D. 0
E. Cannot be said
Answer» B. 2 always
Discussion
161.

Prof. Suman takes a number of quizzes for a course. All the quizzes are out of 100. A student can get an A grade in the course if the average of her scores is more than or equal to 90. Grade B is awarded to a student if the average of her scores is between 87 and 89 (both included). If the average is below 87, the student gets a C grade. Ramesh is preparing for his last quiz and he realizes that he must score a minimum of 97 to get an A grade. After the quiz, he realizes that he will score 70, and he will just manage a B. how many quizzes did Prof. Suman take?

A. 6
B. 7
C. 8
D. 9
E. None of these
Answer» E. None of these
Discussion
162.

A certain number of the capsule were purchased for Rs. 176. Six more capsule could have been purchased in the same amount if each capsule were cheaper by Rs. 3. What was the number of capsules purchased?

A. 13
B. 16
C. 17
D. 8
E. 11
Answer» C. 17
Discussion
163.

Find unit digit of product (173)45*(152)77*(777)999.

A. 4
B. 2
C. 8
D. 6
E. None of these
Answer» D. 6
Discussion
164.

The sum of the digits of a two-digits numbers is 12 and when the digits of the to digit number are interchanged, the new number is 36 more than the original. What is the Original number?

A. 93
B. 48
C. 39
D. 84
E. Cannot be determined
Answer» C. 39
Discussion
165.

Find the remainder when 54124 is divided by 17.

A. 8
B. 13
C. 16
D. 9
Answer» C. 16
Discussion
166.

The difference between three times and seven times of a number comes to 36. What is the number?

A. 6
B. 8
C. 9
D. 10
Answer» D. 10
Discussion
167.

If x :y be the ratio of two whole numbers and z be their HCF, then the LCM of those two numbers is:

A. yz
B. xz/y
C. xy/z
D. xyz
Answer» E.
Discussion
168.

Find the remainder when 67107 is divided by 7.

A. 4
B. 2
C. 1
D. 6
Answer» D. 6
Discussion
169.

The greatest number will divide 3026 and 5053 leaving remainders 11 and 13 respectively?

A. 15
B. 30
C. 40
D. 60
Answer» B. 30
Discussion
170.

Ram left 1/3 of his property to his widow and 3/5 of the remainder to his daughter. He gave the rest to his son who received Rs. 6,400. How much was his original property worth?

A. Rs. 16,000
B. Rs. 24,000
C. Rs. 30,000
D. Rs. 32,000
Answer» C. Rs. 30,000
Discussion
171.

Find the remainder when 65203 is divided by 7.

A. 4
B. 2
C. 1
D. 6
Answer» D. 6
Discussion
172.

Half way through the journey from Delhi to Lahore Atalji began to look out of the window of the Samjhauta Express and continued it until the distance which was remained to cover was half of what he has covered. Now at this time how much distance he has to cover?

A. 2/2
B. 1/4
C. 1/3
D. 1/6
Answer» D. 1/6
Discussion
173.

Two alarm clocks ring their alarms at regular intervals of 50 seconds and 48 seconds. If they first beep together at 12 noon, at what time will they beep again for first time?

A. 12:10 PM
B. 12:12 PM
C. 12:11 PM
D. None of these
Answer» E.
Discussion
174.

The distance between the house of Rajan and Raman is 900 km and the house of former is at 100th milestone where as the house of Raman is at 1000th milestone. There are total 901 milestone at a regular interval of 1 km each. When you go to Raman's house from the house of Rajan which are on same highway, you will find that if the last digit (i.e. unit digit) of 3 digit number on every milestone is same as the first (i.e. hundreds digit) of the number on the next milestone is same, then these milestones must be red colour and rest will be of black. Total number of red colour milestone is:

A. 179
B. 90
C. 189
D. 100
E. Can't be determined
Answer» B. 90
Discussion
175.

In a 4-digit number, the sum of the first two digits is equal to that of last two digits. The sum of the first and last digits is equal to third digit. Finally, the sum of the second and fourth digits is twice the sum of the other two digits. What is the third digit of the number?

A. 5
B. 8
C. 1
D. 4
Answer» B. 8
Discussion
176.

The remainder when 30 +31 +32 +33 + . . . . . . . .. . +3200 is divided by 13 is:

A. 0
B. 4
C. 3
D. 12
E. None of these
Answer» B. 4
Discussion
177.

Consider four digit numbers for which the first two digits are equal and the last two digits are also equal. How many such numbers are perfect squares?

A. 2
B. 4
C. 0
D. 1
E. 3
Answer» E. 3
Discussion
178.

The remainder when 40 +41 +42 +43 + . . . . . . . .. . +440 is divided by 17 is:

A. 0
B. 16
C. 4
D. 8
E. None of these
Answer» F.
Discussion
179.

a, b, c and d are negative integers. If ab + ac + ad = 0 then a X b X c X d is always

A. Odd
B. Even
C. Zero
D. None of these
Answer» C. Zero
Discussion
180.

The sum of four consecutive two-digit odd numbers, when divided by 10, become a perfect square. Which of the following can possibly be one of these four numbers?

A. 21
B. 25
C. 41
D. 67
E. 73
Answer» D. 67
Discussion
181.

Given, N = 98765432109876543210 . . .. .up to 1000 digits, find the smallest natural number n such that N+n is divisible by 11.

A. 2
B. 3
C. 4
D. 5
Answer» E.
Discussion
182.

The numerator and denominator of a fraction are in the ratio 3: 4. If 9 is subtracted from the numerator, the resulting fraction in 2/3 of the original fraction. The numerator of the original fraction is

A. 27
B. 18
C. 36
D. 9
Answer» B. 18
Discussion
183.

When we reverse the digits of the number 13, the increases by 18. How many other two digit numbers increases by 18 when their digits are reversed?

A. 5
B. 6
C. 7
D. 8
E. 10
Answer» C. 7
Discussion
184.

The greatest number which will divides: 4003, 4126 and 4249, leaving the same remainder in each case:

A. 43
B. 41
C. 45
D. None of these
Answer» C. 45
Discussion
185.

The highest power of 17 which can divide exactly the following:(182 - 1) (184 - 1) (186 - 1) (188 - 1) . . . . (1816 - 1) (1818 - 1) is :

A. 1
B. 17
C. 9
D. 13
E. Cannot determined
Answer» D. 13
Discussion
186.

How many pairs of natural numbers is there the difference of whose squares are 45.

A. 1
B. 2
C. 3
D. 4
E. 5
Answer» D. 4
Discussion
187.

The remainder of (323232) /7 :

A. 1
B. 2
C. 3
D. 4
E. None of these
Answer» E. None of these
Discussion
188.

The last three-digits of the multiplication 12345*54321 will be

A. 865
B. 745
C. 845
D. 945
E. 875
Answer» C. 845
Discussion
189.

A forester wants to plant 44 apples tree, 66 banana trees and 110 mango trees in equal rows (in terms of number of trees). Also, he wants to make distinct rows of tree (i.e. only one type of tree in one row). The number of rows (minimum) that required is:

A. 2
B. 3
C. 10
D. 11
E. None of these
Answer» D. 11
Discussion
190.

A boy appeared in CAT for four consecutive year years, but coincidentally each time his net score was 75. He told me that there was 1/3rd negative marking for every wrong answer and 1 mark was allotted for every correct answer. He has attempted all the questions every year, but certainly some answers have been wrong due conceptual problem. Which is not the total number of questions asked for CAT in any year, in that period?

A. 231
B. 163
C. 150
D. 123
E. None of these
Answer» D. 123
Discussion
191.

A young girl counted in the following way on the fingers of her left hand. She started calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, little finger 5, then reversed direction, calling the ring finger 6, middle finger 7, index finger 8, thumb 9 and then back to the index finger for 10, middle finger for 11 and so on. She counted up 1994. She ended on her

A. Thumb
B. Index finger
C. Middle finger
D. Ring finger
E. Little finger
Answer» D. Ring finger
Discussion
192.

[(888 *888 *888) -(222 *222 *222)] /[(888 *888) +(888 *222) +(222 *222)]

A. 777
B. 888
C. 1010
D. 666
Answer» E.
Discussion
193.

If we divide the unknown two-digit number by the number consisting of the same digits written in the reverse order, we get 4 as quotient and 3 as remainder. If we divide the required number by sum of its digits, we get 8 as a quotient and 7 as a remainder. Find the number?

A. 81
B. 91
C. 71
D. 72
E. None of these
Answer» D. 72
Discussion
194.

If 381A is divisible by 9, find the value of the smallest natural number A?

A. 5
B. 8
C. 7
D. 9
E. 6
Answer» F.
Discussion
195.

Recently, a small village, in Tamilnadu where only male shepherd reside with four sheep each, was devastated by Tsunami waves. Therefore 8 persons and 47 sheep were found to be dead and the person who luckily survived, left the village with one sheep each since 21 sheep were too injured to move so have left on their on luck, in the village. The number of sheep which were earlier in the village was :

A. 84
B. 120
C. 80
D. 90
E. Cannot determined
Answer» D. 90
Discussion
196.

The remainder , when (22225555+55552222) is divided by 7, is

A. 4
B. 5
C. 0
D. 2
E. None of these
Answer» D. 2
Discussion
197.

The remainder when 6666..‚à û is divided by 10 is :$

A. 3
B. 6
C. 5
D. 0
E. Cannot determined
Answer» C. 5
Discussion
198.

Some birds settled on the branches of a tree. First, they sat one to a branch and there was one bird too many. Next they sat two to a branch and there was one branch too many. How many branches were there?

A. 3
B. 4
C. 5
D. 6
E. 2
Answer» B. 4
Discussion
199.

If A381 is divisible by 11, find the value of the smallest natural number A?

A. 5
B. 6
C. 7
D. 9
E. None of these
Answer» D. 9
Discussion
200.

There are 154 beads in a rosary and all are coloured, either RED or BLUE or GREEN. The number of blue ones is three less than red and five more than green. The number of Red beads are:

A. 55
B. 47
C. 45
D. 52
Answer» B. 47
Discussion