Surds and Indices Questions and Answers for SSC and Bank Exams

Surds and Indices and Questions:

Q.9. If 2^n-1 + 2ⁿ⁺¹ = 320, then n is equal to:

(A) 1

(B) 3

(C) 5

(D) 7

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Q.10. The value of  is:

(A) 8

(B) 128

(C) 1024

(D) 1032

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Q.11. The value of    is:

(A) 

(B) 

(C) 

(D) 

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Q.12. The value of × (125)^0.25 is:

(A) 

(B) 5

(C) 

(D) 125

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Q.13. If a^x =b b^y = c^z and b² = ac, then y equals:

(A) 

(B) 

(C) 

(D) 

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Q.14. If x=5+2, then  is equal to:

(A) 

(B) 

(C) 

(D) 

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Q.15. (256)^0.16 × (256)^0.09 =?

(A) 4

(B) 8

(C) 16

(D) 64

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Q.16. (17)^3.5 × (17)^? = 17⁸

(A) 4.25

(B) 2.75

(C) 3.5

(D) 4.5

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