Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

 √4890 = ?

A. 70
B. 75
C. 78
D. 73
Answer» B. 75
Discussion
2.

 √197 + √365 = ?

A. 35
B. 33
C. 37
D. 31
Answer» C. 37
Discussion
3.

 3√512/√? = √144

A. 2/9
B. 4/9
C. 4/25
D. 9/25
Answer» C. 4/25
Discussion
4.

 3√140.608 = ?

A. 5.2
B. 4.2
C. 6.2
D. 7.2
Answer» B. 4.2
Discussion
5.

 3√46656 = ?

A. 46
B. 26
C. 16
D. 36
Answer» E.
Discussion
6.

 (√81796)2 = (?)2

A. 286
B. 281
C. 284
D. 289
Answer» B. 281
Discussion
7.

 (√1156/√289) = ?/12.5

A. 24
B. 25
C. 23
D. 22
Answer» C. 23
Discussion
8.

 √(0.04 + √0.0025) = ?

A. 0.35
B. 0.16
C. 0.3
D. 0.25
Answer» D. 0.25
Discussion
9.

 420/√? = 15

A. 596
B. 684
C. 350
D. 784
Answer» E.
Discussion
10.

 √3000 × √30 = ?

A. 30
B. 300
C. 350
D. 35
Answer» C. 350
Discussion
11.

 (?/225) = 2

A. 900
B. 950
C. 975
D. 925
Answer» B. 950
Discussion
12.

 √1080/√120 = ?

A. 5
B. 8
C. 6
D. 3
Answer» E.
Discussion
13.

 ?/√196 = 5

A. 76
B. 72
C. 70
D. 75
Answer» D. 75
Discussion
14.

 √243/&radic3 = ?

A. 12
B. 9
C. 15
D. 6
Answer» C. 15
Discussion
15.

 √106.09 = ?

A. 10.6
B. 10.5
C. 10.3
D. 10.2
Answer» D. 10.2
Discussion
16.

 √29929 = ?

A. 173
B. 163
C. 196
D. 186
Answer» B. 163
Discussion
17.

 What is the smallest number by which 3600 be divided to make it a perfect cube?

A. 110
B. 210
C. 420
D. 450
Answer» E.
Discussion
18.

 A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 98.01, the number of the member is the group is:

A. 101
B. 98
C. 99
D. 88
Answer» D. 88
Discussion
19.

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

A. 1
B. 2
C. 3
D. None of these
Answer» E.
Discussion
20.

 The square root of 16641 is

A. 129
B. 121
C. 211
D. 229
Answer» B. 121
Discussion
21.

 What is the least perfect square which is divisible by each of 21, 36 and 66?

A. 213444
B. 214434
C. 214344
D. 231444
Answer» B. 214434
Discussion
22.

 The cube root of 0.000729 is

A. 0.09
B. 0.9
C. 0.21
D. 0.11
Answer» B. 0.9
Discussion
23.

 A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 59.29, the number of the member is the group is:

A. 57
B. 67
C. 77
D. 87
Answer» D. 87
Discussion
24.

 √0.289/0.00121 = ?

A. 17/11
B. 170/11
C. 1700/11
D. None of the above
Answer» C. 1700/11
Discussion
25.

 (0.04)³ = ?

A. 64
B. 0.064
C. 0.000064
D. 0.00064
Answer» D. 0.00064
Discussion
26.

 Find the value of (71)³ by the short-cut method.

A. 327911
B. 337911
C. 347911
D. 357911
Answer» E.
Discussion
27.

 Find the value of (29)³ by the short-cut method.

A. 22389
B. 23389
C. 24389
D. 25389
Answer» D. 25389
Discussion
28.

 Evaluate √0.8 correct up to two places of decimal.

A. 0.67
B. 0.89
C. 0.92
D. None of the above
Answer» C. 0.92
Discussion
29.

 Evaluate √3 correct up to 3 places of decimal.

A. 1.732
B. 2.732
C. 3.732
D. 4.732
Answer» B. 2.732
Discussion
30.

 Evaluate √2 correct up to two places of decimal.

A. 141.4
B. 14.14
C. 1.414
D. None of the above
Answer» D. None of the above
Discussion
31.

 A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 22.09, the number of members in the group is ?

A. 45
B. 46
C. 47
D. 48
Answer» D. 48
Discussion
32.

 The least number by which 176 be multiplied to make the result a perfect square is ?

A. 11
B. 12
C. 13
D. 14
Answer» B. 12
Discussion
33.

 The least number by which 216 must be divided to make the result a perfect square is ?

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
Discussion
34.

 If a = (√5 + 1) / (√5 - 1) and b = (√5 - 1) / ( √5 + 1) then the value of (a² + ab + b²) / (a² - ab + b²) is ?

A. 1/3
B. 2/3
C. 1
D. 4/3
Answer» E.
Discussion
35.

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

A. 2400
B. 3600
C. 4800
D. 5400
Answer» C. 4800
Discussion
36.

 √(12 + √12 + √12 + ... = ?

A. 7
B. 4
C. 2
D. none of the above
Answer» C. 2
Discussion
37.

 Find the smallest number by which 4394 must be divided so that the quotient is a perfect cube.

A. 4298
B. 3765
C. 2197
D. 1845
Answer» D. 1845
Discussion
38.

 Find the smallest number by which 1944 must be multiplied so that the product is a perfect cube.

A. 11
B. 9
C. 7
D. 3
Answer» E.
Discussion
39.

 Find the values of √7/2 up to 3 decimal places.

A. 1.57
B. 1.67
C. 1.77
D. 1.87
Answer» E.
Discussion
40.

 Evaluate: √441/961.

A. 1/11
B. 11/21
C. 21/31
D. 31/41
Answer» D. 31/41
Discussion
41.

 Find the square root of 625/256

A. 21/23
B. 25/26
C. 27/29
D. 29/31
Answer» C. 27/29
Discussion
42.

 The length of diagonal of a square is 8 cm. The length of the side of the square is ?

A. 5.64 cm
B. 6.21 cm
C. 7.48 cm
D. 8.93 cm
Answer» B. 6.21 cm
Discussion
43.

 The cube root of .000027 is ?

A. 0.01
B. 0.02
C. 0.03
D. 0.04
Answer» D. 0.04
Discussion
44.

 Find out if the following are perfect cubes : 5832

A. It is a perfect cube
B. It is not a perfect cube
C. It is a perfect square
D. None of the above
Answer» B. It is not a perfect cube
Discussion
45.

 Find out if the following are perfect cubes : 250

A. It is a perfect cube
B. It is not a perfect cube
C. It is a perfect square
D. None of the above
Answer» C. It is a perfect square
Discussion
46.

 Find out the value of √45 × √20.

A. 60
B. 50
C. 40
D. 30
Answer» E.
Discussion
47.

 Find the value of √243/√363.

A. 1/7
B. 3/5
C. 9/11
D. 11/17
Answer» D. 11/17
Discussion
48.

 Find the square root of 1 (56/169)

A. 1 2/13
B. 2 2/13
C. 3 2/13
D. 4 2/13
Answer» B. 2 2/13
Discussion
49.

 If √y/169 = 54/39, then y is equal to ?

A. 267
B. 324
C. 448
D. 527
Answer» C. 448
Discussion
50.

 Evaluate √4356

A. 66
B. 55
C. 44
D. 33
Answer» B. 55
Discussion