ABHYAS | Self Learning | Testing Platform

Q.1

For a rational number a, $large (a^3)^{-2}$ is equal to _______________

A.

$large a^6$

B.

$large a^{-6}$

C.

$large a^{-9}$

D.

$a^1$

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Q.2

Identify the greater number in each of the following: $large 3^4$ or $large 4^3$

A.

$3^4$

B.

$4^3$

C.

Both are Equal

D.

Cannpt be determined

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Q.3

If $large 1000=10^x$ , then x = _________________

A.

2

B.

1

C.

3

D.

0

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Q.4

Express the number appearing in the following statements in standard form

1 micron is equal to $frac{1}{1000000}$ metre.

A.

$10^{6}$ metre

B.

$10^{-6}$ metre

C.

$10^{-5}$ metre

D.

$10^{-5}$ micron

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Q.5

Find the values of n in the following: $large 5^{2n}times5^3 = 5^{11}$

A.

3

B.

4

C.

5

D.

6

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Q.6

If $large a^x=1$ ,the possible value of x is

A.

3

B.

2

C.

1

D.

0

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Q.7

$large frac{-1}{5}^3 div frac{-1}{2}^3$ is equal to ______________________

A.

$large -frac{1}{5} ^5$

B.

$large -frac{1}{5} ^{11}$

C.

$large (-5)^5$

D.

$large frac{1}{5}^5$

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Q.8

The standard form of 0.003445 is________.

A.

3.455× $10^{-4}$

B.

3.455× $10^2$

C.

3.445× $10^{-3}$

D.

3.445× $10^{-5}$

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Q.9

Evaluate : $large dpi{150} 6^2 -3^2$

A.

9

B.

$large 3^3$

C.

6

D.

$large 3^4$

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Q.10

Size of a bacteria is 0.0000005 metre.

Express the above number in the exponent form.

A.

$5 times 10^{6}$ metre

B.

$5 times 10^{7}$ metre

C.

$5times 10^{-7}$ metre

D.

$5 times 10^{-6}$ metre

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Attention !!!!!