Explore topic-wise MCQs in Arithmetic Ability.

This section includes 454 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

101.

What smallest number should be added to the sum of squares of 15 and 14, so that the resulting number is a perfect square?

A. 17
B. 20
C. 11
D. 9
Answer» C. 11
Discussion
102.

What should be the missing digit so that the number 347_547 becomes exactly divisible by 11?

A. 5
B. 3
C. 9
D. 2
Answer» C. 9
Discussion
103.

What number, from the following should be deducted from 1184 to make it exactly divisible by 21?

A. 15
B. 12
C. 8
D. 7
Answer» D. 7
Discussion
104.

What least value must be assigned to '*' so that the number 63576 * 2 is divisible by 8?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
Discussion
105.

What least value must be assigned to '*' so that the numbers 451 *  603 is exactly divisible by 9?

A. 7
B. 8
C. 5
D. 9
Answer» C. 5
Discussion
106.

What least number must be subtracted from 210, so that the sum is completely divisible by 11?

A. 2
B. 3
C. 4
D. 1
Answer» E.
Discussion
107.

What least number must be added to 1039, so that the sum obtained is completely divisible by 29?

A. 4
B. 5
C. 8
D. 6
Answer» C. 8
Discussion
108.

What is the value of 5/9 + 7/8?

A. 103/72
B. 97/42
C. 43070
D. 15/13
Answer» B. 97/42
Discussion
109.

What is the value of 9991 x 10009?

A. 99999099
B. 99999819
C. 99999919
D. 99999019
Answer» D. 99999019
Discussion
110.

What is the unit digit of the sum of first 111 whole numbers?

A. 4
B. 6
C. 5
D. 0
Answer» D. 0
Discussion
111.

What is the sum of the first 12 terms of an arithmetic progression if the first term is 3 and last term is 47?

A. 260
B. 300
C. 280
D. 220
Answer» C. 280
Discussion
112.

What is the sum of the first 16 terms of the given series._x005F_x000D_  _x005F_x000D_ 6, 13/2, 7, 15/2,...

A. 157
B. 313/2
C. 156
D. 311/2
Answer» D. 311/2
Discussion
113.

What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?

A. 219
B. 137
C. 231
D. 279
Answer» E.
Discussion
114.

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?

A. 5681
B. 5334
C. 5434
D. 5761
Answer» B. 5334
Discussion
115.

What is the square root of the sum of first 36 odd natural numbers?_x005F_x000D_

A. 27
B. 28
C. 30
D. 32
Answer» D. 32
Discussion
116.

What is the smallest integer that is divisible by 3, 7 and 18?_x005F_x000D_

A. 63
B. 252
C. 72
D. 126
Answer» E.
Discussion
117.

What is the smallest number of 5 digits which is exactly divisible by 12, 24, 48, 60 and 96?

A. 10000
B. 10024
C. 10160
D. 10080
Answer» E.
Discussion
118.

What is the square root of 11236?_x005F_x000D_

A. 96
B. 106
C. 114
D. 104
Answer» C. 114
Discussion
119.

What is the remainder when 6910 is divided by 81?

A. 25
B. 23
C. 21
D. 19
Answer» B. 23
Discussion
120.

What is the remainder when 6729 is divided by 35?

A. 11
B. 7
C. 19
D. 13
Answer» D. 13
Discussion
121.

What is the quotient when 7251 is divided by 66?

A. 110
B. 109
C. 111
D. 112
Answer» C. 111
Discussion
122.

What is the remainder when 2468 is divided by 37?

A. 26
B. 36
C. 18
D. 14
Answer» B. 36
Discussion
123.

What is the place value of 6 in 64?

A. 6
B. 60
C. 64
D. 10
Answer» C. 64
Discussion
124.

What is the place value and face value of 9 in 68956 respectively?

A. 9, 900
B. 900, 9
C. 9, 9
D. 9000, 900
Answer» C. 9, 9
Discussion
125.

What is the mean of first hundred natural numbers?

A. 50
B. 50.5
C. 51.5
D. 51
Answer» C. 51.5
Discussion
126.

What is the least number that should be added to the product 7 × 8 × 9 × 10 to make it a perfect square?_x005F_x000D_

A. 144
B. 1
C. 289
D. 3
Answer» C. 289
Discussion
127.

What is the least number that should be added to the product 11 x 12 x 13 x 14 to make it a perfect square?_x005F_x000D_

A. 1
B. 311
C. 5
D. 0
Answer» B. 311
Discussion
128.

What is the least natural number which when divided by 8, 12, 15 or 16 leaves a remainder of 7?_x005F_x000D_

A. 247
B. 548
C. 257
D. 614
Answer» B. 548
Discussion
129.

What is the least number consisting of five digits that is exactly divisible by 12, 18, 20 and 25?_x005F_x000D_

A. 10800
B. 11250
C. 10000
D. 10680_x005F_x000D_
Answer» B. 11250
Discussion
130.

What is the largest 4 digit number which is exactly divisible by 81?

A. 9993
B. 9936
C. 9918
D. 9963
Answer» E.
Discussion
131.

What is the HCF (highest common factor) of 77 and 275?

A. 12
B. 11
C. 7
D. 25
Answer» C. 7
Discussion
132.

What is the fraction which, when taken away from 1/2, gives 2/3?

A. 44256
B. -0.33333333333333
C. -0.16666666666667
D. 44348
Answer» D. 44348
Discussion
133.

What is the difference between the place value and face value of 3 in 273965_x005F_x000D_

A. 2997
B. 2035
C. 0
D. 3962
Answer» B. 2035
Discussion
134.

What is the common ratio of the following geometric sequence?_x005F_x000D_ 4, 2, 1, 0.5, 0.25, 0.125,...

A. 0.5
B. -1
C. 1.5
D. -0.5
Answer» B. -1
Discussion
135.

What is the average of first 30 multiples of 9?

A. 142
B. 138.5
C. 139.5
D. 143.5
Answer» D. 143.5
Discussion
136.

What is that least number that must be added to the product 684 × 686 to make it a perfect square?

A. 685
B. 1
C. 684
D. 686
Answer» C. 684
Discussion
137.

What is that least digit that must be added to the product 5786 × 5784 to make it a perfect square?_x005F_x000D_

A. 1
B. 6
C. 5
D. 4
Answer» B. 6
Discussion
138.

What are the Multiples of 6 and the Common Multiples of 4 and 6?

A. 12, 34, 42
B. 12, 18, 36,
C. 6, 4, 14
D. 4, 8, 16
Answer» C. 6, 4, 14
Discussion
139.

Two numbers are 50% and 75% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A. 50
B. 25
C. 75
D. 100
Answer» E.
Discussion
140.

What approximate value will come in place of the question mark(?) in the below question?_x005F_x000D_ (47% of 1442  - 36% of 1412) + 63 = ?

A. 4
B. 5
C. 3
D. 6
Answer» D. 6
Discussion
141.

Two numbers are 40% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A. 100
B. 33.3
C. 66.6
D. 200
Answer» E.
Discussion
142.

Two numbers are 35% and 40% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A. 7.69 percent
B. 5 percent
C. 8.33 percent
D. 12.5 percent
Answer» D. 12.5 percent
Discussion
143.

Two fractions are such that their product is ­4 and sum is ­32/15. Find the two fractions.

A. 6/15, ­-10/3
B. 6/5, ­-10/3
C. 7/2, ­-8/7
D. -10/7, 14/5
Answer» B. 6/5, ­-10/3
Discussion
144.

Two fractions are such that their product is ­9/10 and sum is ­13/40. What are the two fractions.

A. 2/5, ­9/4
B. 1/5, ­-9/2
C. 4/5, ­-9/8
D. -2/5, ­9/4
Answer» D. -2/5, ­9/4
Discussion
145.

Twice the difference between two numbers is equal to their sum. If one number is 15, find the other number._x005F_x000D_

A. 15
B. 10
C. 5
D. 20
Answer» D. 20
Discussion
146.

Twenty one times of a positive number is less than its square by 100. The value of the positive number is

A. 25
B. 26
C. 42
D. 41
Answer» B. 26
Discussion
147.

Total 100 members are writing exam. In that 48 members are writing first exam, 45 members are writing second exam and 38 members are writing third exam. 5 members are writing all the three exams. How many members are writing 2 exams ?

A. 26
B. 23
C. 27
D. 21
Answer» E.
Discussion
148.

Three numbers are in the ratio 4 : 5 : 6 and their average is 25. The largest number is :

A. 30
B. 40
C. 50
D. 60
Answer» B. 40
Discussion
149.

Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is :

A. 83
B. 89
C. 85
D. 79
Answer» D. 79
Discussion
150.

To get number 40, the number 56/9 should be multiplied with

A. 52/7
B. 44403
C. 45/6
D. 45/7
Answer» B. 44403
Discussion