Aptitude - Arithmetical Ability

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31.

If 2x = 3v32, then x is equal to                        
A. 5 B. 3
C. 3/5 D. 5/3



32.

If 3(x - y) = 27 and 3(x + y) = 243, then x is equal to:                        
A. 0 B. 2
C. 4 D. 6



33.

(0.04)-1.5 = ?                        
A. 25 B. 125
C. 250 D. 625




34.

34. If 5v5 * 53 ÷ 5-3/2 = 5a+2 , the value of a is:                        
A. 4 B. 5
C. 6 D. 8



35.

35. If v2n =64, then the value of n is:                        
A. 2 B. 4
C. 6 D. 12



36.

(256)0.16 x (256)0.09 = ?                        
A. 4 B. 16
C. 64 D. 256.25



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