Explore topic-wise MCQs in Arithmetic Ability.

This section includes 116 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

1.

If 5 = 2.236, then the value of 5 - 10 + 125 is equal to: 2 5

A. 5.59
B. 7.826
C. 8.944
D. 10.062
Answer» C. 8.944
2.

If x = 3 + 1 and y = 3 - 1 , then the value of (x2 + y2) is: 3 - 1 3 + 1

A. 10
B. 13
C. 14
D. 15
Answer» D. 15
3.

If a = 0.1039, then the value of 4a2 - 4a + 1 + 3a is:

A. 0.1039
B. 0.2078
C. 1.1039
D. 2.1039
Answer» D. 2.1039
4.

1.5625 = ?

A. 1.05
B. 1.25
C. 1.45
D. 1.55
Answer» C. 1.45
5.

3 - 1 2 simplifies to: 3

A. 3 4
B. 4 3
C. 4 3
D. None of these
Answer» D. None of these
6.

If 35 + 125 = 17.88, then what will be the value of 80 + 65 ?

A. 13.41
B. 20.46
C. 21.66
D. 22.35
Answer» E.
7.

The square root of (7 + 35) (7 - 35) is

A. 5
B. 2
C. 4
D. 35
Answer» C. 4
8.

What should come in place of both x in the equation x = 162 . 128 x

A. 12
B. 14
C. 144
D. 196
Answer» B. 14
9.

0.0169 x ? = 1.3

A. 10
B. 100
C. 1000
D. None of these
Answer» C. 1000
10.

625_x000D_ x_x000D_ 14_x000D_ x_x000D_ 11_x000D_ _x000D_ is equal to:_x000D_ _x000D_ _x000D_ _x000D_ 11_x000D_ 25_x000D_ 196

A. 5
B. 6
C. 8
D. 11
Answer» B. 6
11.

How many two-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 8 ?

A. 1
B. 2
C. 3
D. None of these
Answer» E.
12.

$$99 \times 21 - \root 3 \of ?= 1968$$

A. 367631
B. 11
C. 366731
D. 367
Answer» B. 11
13.

$$1728 \div \root 3 \of {262144} \, \times \,?\, - 288$$= 4491

A. 48
B. 56
C. 73
D. 77
Answer» E.
14.

A mobile company offered to pay the Indian Cricket Team as much money per run scored by the side as the total number it gets in a one-dayer against Australia. Which one of the following cannot be the total amount to be spent by the company in this deal ?

A. 1904
B. 6169
C. 01761
D. 21108
Answer» E.
15.

1250 oranges were distributed among a group of girls of a class. Each girl got twice as many oranges as the number of girls in that group. The number of girls in the group was = ?

A. 5
B. 5
C. 0
D. 00
Answer» B. 5
16.

The number of trees in each row of a garden is equal to the total number of rows in the garden. After 111 trees have been uprooted in a storm, there remain 10914 trees in the garden. The number of rows of trees in the garden is = ?

A. 00
B. 05
C. 15
D. 25
Answer» C. 15
17.

One-fourth of a herd of camels was seen in the forest. Twice the square root of the herd had gone to mountains and the remaining 15 camels were seen on the bank of a river. Find the total number of camels ?

A. 2
B. 4
C. 5
D. 6
Answer» E.
18.

If $$a = \frac{{\sqrt 5+ 1}}{{\sqrt 5- 1}}$$and $$b = \frac{{\sqrt 5- 1}}{{\sqrt 5+ 1}}, $$the value of $$\left( {\frac{{{a^2} + ab + {b^2}}}{{{a^2} - ab + {b^2}}}} \right)$$is ?

A. $\frac{3}{4}$$
B. $\frac{4}{3}$$
C. $\frac{3}{5}$$
D. $\frac{5}{3}$$
Answer» C. $\frac{3}{5}$$
19.

If $$a = \frac{{\sqrt 3+ \sqrt 2 }}{{\sqrt 3- \sqrt 2 }},$$$$b = \frac{{\sqrt 3- \sqrt 2 }}{{\sqrt 3+ \sqrt 2 }}$$then the value of $${a^2} + {b^2}$$would be = ?

A. 0
B. 8
C. 9
D. 00
Answer» C. 9
20.

If $$x = 3 + \sqrt 8 ,$$then $${x^2} + \frac{1}{{{x^2}}}$$is equal to = ?

A. 0
B. 4
C. 6
D. 8
Answer» C. 6
21.

$$\left( {\frac{{2 + \sqrt 3 }}{{2 - \sqrt 3 }} + \frac{{2 - \sqrt 3 }}{{2 + \sqrt 3 }} + \frac{{\sqrt 3- 1}}{{\sqrt 3+ 1}}} \right)$$simplifies to = ?

A. $16 - \sqrt 3 $$
B. $4 - \sqrt 3 $$
C. $2 - \sqrt 3 $$
D. $2 + \sqrt 3 $$
Answer» B. $4 - \sqrt 3 $$
22.

$$9{x^2} + 25 - 30x$$can be expressed as the square of = ?

A. $3{x^2} - 25$$
B. $3x + 5$$
C. $ - 3x - 5$$
D. $3x - 5$$
Answer» E.
23.

Solved $$\root 4 \of {{{\left( {625} \right)}^3}}= ?$$

A. $\root 3 \of {1875} $$
B. 5
C. 25
D. one of these
Answer» D. one of these
24.

Which smallest number must be added to 710 so that the sum is a perfect cube ?

A. 1
B. 9
C. 1
D. 9
Answer» C. 1
25.

The value of $${\text{ }}\root 3 \of {\frac{{0.2 \times 0.2 \times 0.2 + 0.04 \times 0.04 \times 0.04}}{{0.4 \times 0.4 \times 0.4 + 0.08 \times 0.08 \times 0.08}}} $$is ?

A. 0.125
B. 0.25
C. 0.5
D. 0.75
Answer» D. 0.75
26.

$$\root 3 \of {\sqrt {0.000064} }= ?$$

A. 0.02
B. 0.2
C.
Answer» C.
27.

The least number of 4 digits which is a perfect square is = ?

A. 000
B. 016
C. 024
D. 036
Answer» D. 036
28.

The greatest four digit perfect square number is = ?

A. 000
B. 801
C. 900
D. 981
Answer» C. 900
29.

What is the least number to be added to 7700 to make it a perfect square ?

A. 7
B. 8
C. 31
D. 21
E. one of these
Answer» F.
30.

What is the least number which should be subtracted 0.000326 in order to make it a perfect square = ?

A. 2.0E-6
B. 4.0E-6
C. 0.02
D. 0.04
Answer» B. 4.0E-6
31.

Given that $$\sqrt 3= 1.732{\text{,}}$$the value of $$\frac{{3 + \sqrt 6 }}{{5\sqrt 3- 2\sqrt {12}- \sqrt {32}+ \sqrt {50} }}$$is ?

A. 0.414
B. 0.732
C. 0.551
D. 0.899
Answer» C. 0.551
32.

If $$\sqrt 2= 1.414{\text{,}}$$the square root of $$\frac{{\sqrt 2- 1}}{{\sqrt 2+ 1}}$$is nearest to = ?

A. 0.172
B. 0.414
C. 0.586
D. 0.414
Answer» C. 0.586
33.

Given $$\sqrt 5= 2.2361,$$$$\sqrt 3= 1.7321{\text{,}}$$then $$\frac{1}{{\sqrt 5- \sqrt 3 }}$$is equal to ?

A. 0.98
B. 0.984
C. 0.9841
Answer» D.
34.

The least perfect square number divisible by 3, 4, 5, 6 and 8 is = ?

A. 00
B. 200
C. 500
D. 600
Answer» E.
35.

If $$\sqrt 5= 2.236{\text{,}}$$then the value of $$\frac{{\sqrt 5 }}{2} \, - $$$$\frac{{10}}{{\sqrt 5 }} \, + $$$$\sqrt {125} $$is equal to = ?

A. 0.59
B. 0.826
C. 0.944
D. 0.062
Answer» C. 0.944
36.

If $$\sqrt 6= 2.449{\text{,}}$$then the value of $$\frac{{3\sqrt 2 }}{{2\sqrt 3 }}$$is = ?

A. 0.6122
B. 0.8163
C. 0.223
D. 0.2245
Answer» E.
37.

If $$\sqrt {24}= 4.889,$$the value of $$\sqrt {\frac{8}{3}} $$is = ?

A. 0.544
B. 0.333
C. 0.633
D. 0.666
Answer» D. 0.666
38.

If $$\sqrt 5= 2.236{\text{,}}$$then the value of $$\frac{1}{{\sqrt 5 }}$$is = ?

A. 0.367
B. 0.447
C. 0.745
D. one of these
Answer» C. 0.745
39.

The square root of 535.9225 is = ?

A. 3.15
B. 3.45
C. 4.15
D. 8.25
Answer» B. 3.45
40.

The value of $$\frac{{1 + \sqrt {0.01} }}{{1 - \sqrt {0.1} }}$$is close to = ?

A. 0.6
B. 0.1
C. 0.6
D. 0.7
Answer» D. 0.7
41.

If $$a = \frac{{\sqrt 3 }}{2}{\text{,}}$$then $$\sqrt {1 + a}+ \sqrt {1 - a}= ?$$

A. $\left( {2 - \sqrt 3 } \right)$$
B. $\left( {2 + \sqrt 3 } \right)$$
C. $\left( {\frac{{\sqrt 3 }}{2}} \right)$$
D. $\sqrt 3 $$
Answer» E.
42.

The value of $$\sqrt {\frac{{0.16}}{{0.4}}} $$is = ?

A. 0.02
B. 0.2
C. 0.63
D. one of these
Answer» D. one of these
43.

The value of $$\sqrt {0.121} $$is = ?

A. 0.011
B. 0.11
C. 0.347
D. 0.1
Answer» D. 0.1
44.

$$\sqrt {0.2}= ?$$

A. 0.02
B. 0.2
C. 0.447
D. 0.632
Answer» D. 0.632
45.

The square root of$${\text{0}}{\text{.}}\overline {\text{4}} $$is ?

A. $0.\overline 6 $$
B. $0.\overline 7 $$
C. $0.\overline 8 $$
D. $0.\overline 9 $$
Answer» B. $0.\overline 7 $$
46.

If $$3a = 4b = 6c$$and $$a + b + c = 27\sqrt {29} {\text{,}}$$then $$\sqrt {{a^2} + {b^2} + {c^2}} $$is ?

A. $3\sqrt {29} $$
B. 1
C. 7
D. one of these
Answer» D. one of these
47.

Given that $$\sqrt {13}= 3.605$$and $$\sqrt {130}= 11.40{\text{,}}$$find the value of $$\sqrt {1.30} $$$$ + $$ $$\sqrt {1300} $$$$ + $$ $$\sqrt {0.0130} $$= ?

A. 6.164
B. 6.304
C. 7.164
D. 7.304
Answer» E.
48.

The value of $$\sqrt {0.01} {\text{ + }}$$ $$\sqrt {0.81} {\text{ + }}$$ $$\sqrt {1.21} {\text{ + }}$$ $$\sqrt {0.0009} $$is = ?

A. 0.03
B. 0.1
C. 0.11
D. 0.13
Answer» E.
49.

$${1.5^2} \times \sqrt {0.0225}= ?$$

A. 0.0375
B. 0.3375
C. 0.275
D. 2.75
Answer» C. 0.275
50.

The value of $$\sqrt {0.000441} $$is = ?

A. 0.00021
B. 0.0021
C. 0.021
D. 0.21
Answer» D. 0.21