Aptitude · all questions

Surds And Indices
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

203

Questions

4/11

Page

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Q61

Open question

If 1 0^{x} = \frac{1}{2} then 1 0^{- 8 x} = ?

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Q62

Open question

(\frac{1}{1.4} + \frac{1}{4.7} + \frac{1}{7.10} + \frac{1}{10.13} + \frac{1}{13.16})

is equal to = ?

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Q63

Open question

Given that

5

= 2.236 and

3

= 1.732, then the value of

\frac{1}{5 + 3} is = ?

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Q64

Open question

(\frac{3}{5})^{3} (\frac{3}{5})^{- 6} = (\frac{3}{5})^{2 x - 1}

then x is equal to ?

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Q65

Open question

55 \times 5^{3} \div 5^{- \frac{3}{2}} = 5^{a + 2}

then the value of a is = ?

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Q66

Open question

2^{x} = \root 3 \of 32

then x is equal to = ?

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Q67

Open question

12 + 12 + 12 + .....

is equal to = ?

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Q68

Open question

5^{(x + 3)} = 2 5^{(3 x - 4)}

then the value of x is = ?

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Q69

Open question

\frac{2 ^{n + 4} - 2 ( 2 ^{n} )}{2 ( 2 ^{n + 3} )}

when simplified is = ?

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Q70

Open question

a = \frac{5 + 1}{5 - 1}

and

b = \frac{5 - 1}{5 + 1}

then the value of

(\frac{a ^{2} + ab + b ^{2}}{a ^{2} - ab + b ^{2}})

is = ?

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Q71

Open question

6^{1.2} \times 3 6^{?} \times 3 0^{2.4} \times 2 5^{1.3} = 3 0^{5}

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Q72

Open question

[\frac{3 + 2}{3 - 2} - \frac{3 - 2}{3 + 2}]

simplifies to = ?

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Q73

Open question

3

= 1.732 is given, then the value of

\frac{2 + 3}{2 - 3}

is = ?

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Q74

Open question

Evaluate:

16 \frac{3}{4} - 9 \frac{4}{3}

12

= 3.46

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Q75

Open question

2^{3.6} \times 4^{3.6} \times 4^{3.6} \times (32)^{2.3} =

(32)^{?}

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Q76

Open question

2 5^{2.7} \times 5^{4.2} \div 5^{5.4} = 2 5^{?}

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Q77

Open question

8^{2.4} \times 2^{3.7} \div (16)^{1.3} = 2^{?}

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Q78

Open question

If 3^(x+y) = 81 and 81^(x-y) = 3, then the value of x is = ?

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Q79

Open question

Simplified from of

[(\root 5 \of x^{- \frac{3}{5}})^{- \frac{5}{3}}]^{- 5} = ?

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Q80

Open question

Find the value of x in the expression :

\root 4 \of 3 x + 1 = 2

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Surds And Indicespractice.

Surds And Indices
practice.