32 + Mcqs in Square Roots and Cube Roots in Arithmetic Ability Page 1 McqOptions

1.	Which of the numbers given below is the square root of 16384?
A.	132
B.	128
C.	118
D.	122
Answer» C. 118

Discussion

2.	Which of the numbers given below is the square root of 15376?
A.	122
B.	124
C.	134
D.	128
Answer» C. 134

Discussion

3.	Which of the following relation is CORRECT?_x005F_x000D_ Â _x005F_x000D_ I. (âˆš15 + âˆš7) < (2âˆš22)_x005F_x000D_ II. (âˆš17 + âˆš5) < (âˆš20 + âˆš2)_x005F_x000D_
A.	Only I
B.	Only II
C.	Neither I nor II
D.	Both I and II
Answer» B. Only II

Discussion

4.	Which of the numbers given below is the square root of 14161?
A.	119
B.	121
C.	131
D.	141
Answer» B. 121

Discussion

5.	Which of the numbers below will have an irrational square root?_x005F_x000D_
A.	7569
B.	6084
C.	3368
D.	1444
Answer» D. 1444

Discussion

6.	Which of the following numbers will have an irrational square root?
A.	625
B.	3025
C.	1225
D.	1825
Answer» E.

Discussion

7.	What should come in place of xÂ in the following equation?_x005F_x000D_ Â x128Â =Â 162x
A.	13
B.	12
C.	17
D.	16
Answer» C. 17

Discussion

8.	What should come in place of both the question marks in the equation_x005F_x000D_ ?128=162?_x005F_x000D_ Â _x005F_x000D_ Â _x005F_x000D_
A.	12
B.	14
C.	144
D.	196
Answer» B. 14

Discussion

9.	Which of the following equations has 3 as a root?
A.	x2Â -ÂÂ 7xÂ +Â 12Â =Â 0
B.	x2Â -ÂÂ 5xÂ +Â 12Â =Â 0
C.	x2Â +Â 3xÂ +Â 12Â =Â 0
D.	x2Â +Â 3xÂ -ÂÂ 12Â =Â 0
Answer» B. x2Â -ÂÂ 5xÂ +Â 12Â =Â 0

Discussion

10.	What is the square root of 6561?
A.	79
B.	89
C.	77
D.	81
Answer» E.

Discussion

11.	What is the square root of 576?
A.	24
B.	36
C.	34
D.	26
Answer» B. 36

Discussion

12.	What is the positive square root of [19 + 4âˆš21]?_x005F_x000D_
A.	âˆš7 + 2âˆš3
B.	âˆš3 + 2âˆš7
C.	âˆš2 + 3âˆš7
D.	âˆš7 + 3âˆš3
Answer» B. âˆš3 + 2âˆš7

Discussion

13.	The value of âˆš0.0144 is
A.	0.12
B.	0.012
C.	1.2
D.	0.0012
Answer» B. 0.012

Discussion

14.	What is the number of decimal places in a cube root of a number having 27 decimal places ?
A.	3
B.	6
C.	9
D.	27
Answer» D. 27

Discussion

15.	What are the 2 natural numbers, sum of whose squares is 52?
A.	2, 7
B.	3, 5
C.	4, 6
D.	5, 6
Answer» D. 5, 6

Discussion

16.	The square root of 5776 is
A.	84
B.	76
C.	64
D.	66
Answer» B. 76

Discussion

17.	The square root of 5184 is
A.	76
B.	74
C.	72
D.	82
Answer» D. 82

Discussion

18.	The square root of 3481 is:_x005F_x000D_
A.	63
B.	59
C.	67
D.	57
Answer» C. 67

Discussion

19.	The square root of 4624 is
A.	72
B.	66
C.	64
D.	68
Answer» E.

Discussion

20.	The square root of 27225 is
A.	165
B.	155
C.	175
D.	145
Answer» B. 155

Discussion

21.	The square root of 3249 is
A.	63
B.	59
C.	57
D.	67
Answer» D. 67

Discussion

22.	The square of 11111 is
A.	1234321
B.	1223311
C.	123454321
D.	321231
Answer» D. 321231

Discussion

23.	The least number to be added to 435 to make it a perfect square is
A.	8
B.	4
C.	3
D.	6
Answer» E.

Discussion

24.	The cube of 105 is
A.	1157625
B.	1175625
C.	1185625
D.	1158625
Answer» B. 1175625

Discussion

25.	The cube of 997 is
A.	991026973
B.	991029673
C.	991029773
D.	991097273
Answer» B. 991029673

Discussion

26.	How many of the factors of 256 are perfect squares?
A.	6
B.	4
C.	3
D.	5
Answer» E.

Discussion

27.	Find the square root of 1485961
A.	1213
B.	1219
C.	1229
D.	1239
Answer» C. 1229

Discussion

28.	Find the square root of 1471369._x005F_x000D_
A.	1213
B.	1223
C.	1203
D.	1233
Answer» B. 1223

Discussion

29.	Find the cube root of 287496_x005F_x000D_
A.	64
B.	46
C.	56
D.	66
Answer» E.

Discussion

30.	Cube root of 729 then square it
A.	9
B.	36
C.	81
D.	144
Answer» D. 144

Discussion

31.	65.The angles of elevation of an aeroplane flying vertically above the ground, as observed from the two consecutive stones, 1 km apart; are 45o and 60o. The height of the aeroplane from the ground is
A.	3+1Â kms
B.	3+3Â kms
C.	123+1Â kms
D.	123+3Â kms
Answer» E.

Discussion

32.	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

Explore topic-wise MCQs in Arithmetic Ability.

Which of the numbers given below is the square root of 16384?

Which of the numbers given below is the square root of 15376?

Which of the following relation is CORRECT?_x005F_x000D_ Â _x005F_x000D_ I. (âˆš15 + âˆš7) < (2âˆš22)_x005F_x000D_ II. (âˆš17 + âˆš5) < (âˆš20 + âˆš2)_x005F_x000D_

Which of the numbers given below is the square root of 14161?

Which of the numbers below will have an irrational square root?_x005F_x000D_

Which of the following numbers will have an irrational square root?

What should come in place of xÂ in the following equation?_x005F_x000D_ Â x128Â =Â 162x

What should come in place of both the question marks in the equation_x005F_x000D_ ?128=162?_x005F_x000D_ Â _x005F_x000D_ Â _x005F_x000D_

Which of the following equations has 3 as a root?

What is the square root of 6561?

What is the square root of 576?

What is the positive square root of [19 + 4âˆš21]?_x005F_x000D_

The value of âˆš0.0144 is

What is the number of decimal places in a cube root of a number having 27 decimal places ?

What are the 2 natural numbers, sum of whose squares is 52?

The square root of 5776 is

The square root of 5184 is

The square root of 3481 is:_x005F_x000D_

The square root of 4624 is

The square root of 27225 is

The square root of 3249 is

The square of 11111 is

The least number to be added to 435 to make it a perfect square is

The cube of 105 is

The cube of 997 is

How many of the factors of 256 are perfect squares?

Find the square root of 1485961

Find the square root of 1471369._x005F_x000D_

Find the cube root of 287496_x005F_x000D_

Cube root of 729 then square it

65.The angles of elevation of an aeroplane flying vertically above the ground, as observed from the two consecutive stones, 1 km apart; are 45o and 60o. The height of the aeroplane from the ground is

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: