Aptitude - Arithmetical Ability

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1.

(17)3.5 x (17)? = 178                        


A. 2.29 B. 2.75
C. 4.25 D. 4.5




2.

Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to:                        


A. 1.45 B. 1.88
C. 2.9 D. 3.7




3.

If m and n are whole numbers such that mn = 121, then the value of (m - 1)n+1 is                        


A. 1 B. 10
C. 121 D. 1000




4.

If v2n = 64, then the value of n is                        


A. 2 B. 4
C. 6 D. 12




5.

5.The value of (v8)1/3 is:                        


A. 2 B. 4
C. 2 D. 8




6.

(256)0.16 x (256)0.09 = ?                        


A. 4 B. 16
C. 64 D. 256.25




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