Correct Marks 1
Incorrectly Marks 0
Q 1. Cube of an odd natural number is
an even natural number
an odd natural number
a prime number
none of these
Correct Marks 1
Incorrectly Marks 0
Q 2. Cube of an even natural number is
an even natural number
an odd natural number
a prime number
none of these
Correct Marks 1
Incorrectly Marks 0
Q 3. Cube root of a negative number is
a negative number
a positive number
sometimes negative, sometimes positive
none of these
Correct Marks 1
Incorrectly Marks 0
Q 4. Cube root of the product of two negative numbers is
a negative number
a positive number
sometimes negative, sometimes positive
none of these
Correct Marks 1
Incorrectly Marks 0
Q 5. For a non-zero integer {tex}x,x^3{/tex} is
always less than {tex}x^2{/tex}
always greater than {tex}x^2{/tex}
sometimes less and sometimes greater than {tex}x^2{/tex}
none of these
Correct Marks 1
Incorrectly Marks 0
Q 6. What is the value of {tex}\sqrt[3]{0.000064}{/tex} ?
0.4
0.08
0.04
0.16
Correct Marks 1
Incorrectly Marks 0
Q 7. What is the value of {tex}\sqrt[3]{\sqrt{441}+\sqrt{16}+\sqrt{4}}{/tex}
3
5
7
None
Correct Marks 1
Incorrectly Marks 0
Q 8. The smallest number by which 3600 must be multiplied to make it a perfect cube
40
60
20
15
Correct Marks 1
Incorrectly Marks 0
Q 9. {tex}\sqrt[3]{-1}{/tex} = ?
-1
1
-1/3
None of these
Correct Marks 1
Incorrectly Marks 0
Q 10. {tex}\sqrt[3]{\frac{72.9}{0.4096}}{/tex} is equal to
0.5625
5.625
182
13.6
Correct Marks 1
Incorrectly Marks 0
Q 11. The digit in the unit's place in the cube root of 21952 is
8
6
4
2
Correct Marks 1
Incorrectly Marks 0
Q 12. If the cube root of 175616 is 56, then the value of {tex}\sqrt[3]{175.616}+\sqrt[3]{0.175616}+\sqrt[3]{0.000175616}{/tex} is equal to
0.168
62.16
6.216
6.116
Correct Marks 1
Incorrectly Marks 0
Q 13. {tex}\sqrt{\sqrt[3]{0.004096}}{/tex} is equal to
4
0.4
0.04
0.004
Correct Marks 1
Incorrectly Marks 0
Q 14. The value of {tex}\sqrt[3]{(-343)\times(512)}{/tex} is
56
-56
65
-65
Correct Marks 1
Incorrectly Marks 0
Q 15. The volumes of two cubes are in the ratio of 343 : 1331, the ratio of their edges is
7 : 10
7 : 11
7 : 12
None of these
Correct Marks 1
Incorrectly Marks 0
Q 16. The smallest natural number by which 32 must be multiplied to get a perfect cube is
16
4
2
8
Correct Marks 1
Incorrectly Marks 0
Q 17. {tex}\sqrt[3]{8 \times 64}{/tex} = ?
12
16
8
24
Correct Marks 1
Incorrectly Marks 0
Q 18. The value of {tex}\sqrt[3]{{-2}^3}{/tex} is
{tex}{-2}^3{/tex}
{tex}-2{/tex}
{tex}{2}^3{/tex}
{tex}2{/tex}
Correct Marks 1
Incorrectly Marks 0
Q 19. The cube of 70 is
49000
490000
343000
34300
Correct Marks 1
Incorrectly Marks 0
Q 20. The cube of (-5) is
25
-125
125
-25
Correct Marks 1
Incorrectly Marks 0
Q 21. The cube of {tex}\bigg(2-\frac{1}{3}\bigg){/tex} is
{tex}8-\frac{1}{27}{/tex}
{tex}\frac{125}{27}{/tex}
{tex}\frac{25}{9}{/tex}
{tex}\frac{343}{27}{/tex}
Correct Marks 1
Incorrectly Marks 0
Q 22. {tex}\sqrt[3]{\frac{3^6\times 4^3\times 2^{6}}{8^9\times 2^{3}}}{/tex} =
{tex}\frac{3}{8}{/tex}
{tex}\frac{9}{8}{/tex}
{tex}\frac{3}{64}{/tex}
{tex}\frac{9}{64}{/tex}
Correct Marks 1
Incorrectly Marks 0
Q 23. The cube root of the number 10648 is __________.
42
38
28
22
Correct Marks 1
Incorrectly Marks 0
Q 24. The cube of a number ending in 3, ends in __________.
3
7
9
Cannot say
Correct Marks 1
Incorrectly Marks 0
Q 25. Find the value of {tex}\sqrt[3]{6075}\times \sqrt[3]{88935} \times \sqrt[3]{9625}{/tex} .
17355
17255
17315
17325