Quantitative Aptitude - Square Roots and Cube Roots
Exam Duration: 60 Mins Total Questions : 30
The square root of 64009 is:
- (a)
253
- (b)
347
- (c)
363
- (d)
803
Evaluate:\(\sqrt { 41-\sqrt { 21+\sqrt { 19-\sqrt { 9 } } } } \)
- (a)
3
- (b)
5
- (c)
6
- (d)
6.4
\(\sqrt { 176+\sqrt { 2401 } } \) is equal to:
- (a)
14
- (b)
15
- (c)
18
- (d)
24
\(\left( \frac { \sqrt { 625 } }{ 11 } \times \frac { 14 }{ \sqrt { 25 } } \times \frac { 11 }{ \sqrt { 196 } } \right) \)is equal to:
- (a)
5
- (b)
6
- (c)
8
- (d)
11
If y=5, then what is the value of \(10y\sqrt { { y }^{ 3 }-{ y }^{ 2 } } =?\)
- (a)
\(50\sqrt { 2 } \)
- (b)
100
- (c)
\(200\sqrt { 5 } \)
- (d)
500
The digit in the unit's place in the square root of 15876 is:
- (a)
2
- (b)
4
- (c)
6
- (d)
8
The value of \(\sqrt { 0.01 } +\sqrt { 0.81 } +\sqrt { 1.21 } +\sqrt { 0.0009 } \)is:
- (a)
2.03
- (b)
2.1
- (c)
2.11
- (d)
2.13
If 0.13+\({ p }^{ 2 }\)=13. then p equals:
- (a)
0.01
- (b)
0.1
- (c)
10
- (d)
100
\(\sqrt { \frac { ? }{ 169 } } =\frac { 54 }{ 39 } \)
- (a)
108
- (b)
324
- (c)
2916
- (d)
4800
If \(\sqrt { x } \div \sqrt { 441 } =0.02\), then the value of x is:
- (a)
0.1764
- (b)
1.764
- (c)
1.64
- (d)
2.64
\(\sqrt { \frac { .0196 }{ ? } } =0.2\)
- (a)
0.49
- (b)
0.7
- (c)
4.9
- (d)
None of these
\(\sqrt { 0.0169 } \times ?\)=1.3
- (a)
10
- (b)
100
- (c)
1000
- (d)
None of these
If \(\sqrt { 1369 } +\sqrt { .0615+x } =37.25,\)then x is equal to
- (a)
\({ 10 }^{ -1 }\)
- (b)
\({ 10 }^{ -2 }\)
- (c)
\({ 10 }^{ -3 }\)
- (d)
None of these
If \(\sqrt { (x-1)(y+2) } =7\), x and y being positive whole numbers, then the values of x and y respectively are:
- (a)
8,5
- (b)
15,12
- (c)
22,19
- (d)
None of these
\((2\sqrt { 27 } -\sqrt { 75 } +\sqrt { 12 } )\)is equal to :
- (a)
\(\sqrt { 3 }\)
- (b)
\(2\sqrt { 3 }\)
- (c)
\(3\sqrt { 3 }\)
- (d)
\(4\sqrt { 3 }\)
\(\frac { \sqrt { 24 } +\sqrt { 216 } }{\sqrt { 96 } } \)=?
- (a)
\(2\sqrt { 6 } \)
- (b)
2
- (c)
\(6\sqrt { 2 } \)
- (d)
\(\frac { 2 }{ \sqrt { 6 } } \)
The value of \(\frac { \sqrt { 80 } -\sqrt { 112 } }{ \sqrt { 45 } -\sqrt { 63 } } \)is:
- (a)
\(\frac { 3 } { 4 }\)
- (b)
\(1\frac { 1 } { 3 }\)
- (c)
\(1\frac { 7 } {9 }\)
- (d)
\(1\frac { 3 } {4 }\)
Given \(\sqrt { 2 }\)=1.414. The value of \(\sqrt { 8 } +2\sqrt { 32 } -3\sqrt { 128 } +4\sqrt { 50 } \)is:
- (a)
8.426
- (b)
8.484
- (c)
8.526
- (d)
8.876
\(\sqrt { \frac { .081\times .484 }{ .0064\times 6.25 } } \)is equal to :
- (a)
0.9
- (b)
0.99
- (c)
9
- (d)
99
\({ (\sqrt { 3 } -\frac { 1 }{ \sqrt { 3 } } ) }^{ 2 }\) simplifies to :
- (a)
\(\frac { 3 }{ 4 } \)
- (b)
\(\frac { 4 }{ \sqrt { 3 } } \)
- (c)
\(\frac { 4 } { 3 }\)
- (d)
None of these
The value of \(\sqrt { 0.121 }\) is:
- (a)
0.011
- (b)
0.11
- (c)
0.347
- (d)
1.1
The value of \(\sqrt { 0.064 }\)is:
- (a)
0.008
- (b)
0.08
- (c)
0.252
- (d)
0.8
Find the smallest number by which 5808 should be multiplied so that the product becomes a perfect square:
- (a)
2
- (b)
3
- (c)
7
- (d)
11
The least number by which 1470 must be divided to get a number which is a perfect square is:
- (a)
5
- (b)
6
- (c)
15
- (d)
30
The greatest four-digit-perfect square number is:
- (a)
9000
- (b)
9801
- (c)
9900
- (d)
9981
If \(\sqrt { 2 }=1.4142\) the value of \(\frac { 7 }{ (3+\sqrt { 2 } ) } \)is :
- (a)
1.5858
- (b)
3.4852
- (c)
3.5858
- (d)
4.4142
\(\frac { \sqrt { 7 } +\sqrt { 5 } }{ \sqrt { 7 } -\sqrt { 5 } } \)is equal to :
- (a)
1
- (b)
2
- (c)
6-\(\sqrt { 35 }\)
- (d)
\(6+\sqrt { 35 }\)
A group of students decided to collect as many paise from each member of the group as is the number of members.If the total collection amount to Rs.59.29,the number of members in the group is:
- (a)
57
- (b)
67
- (c)
77
- (d)
87
\(\sqrt [ 3 ]{ 4\frac { 12 }{ 125 } =? } \)
- (a)
\(1\frac { 2 } { 5 }\)
- (b)
\(1\frac { 3 } { 5 }\)
- (c)
\(1\frac { 4 } { 5 }\)
- (d)
\(2\frac { 2 } { 5 }\)
By what least number 675 be multiplied to obtain a number which is a perfect cube?
- (a)
5
- (b)
6
- (c)
7
- (d)
8