Aptitude - Arithmetical Ability

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13.

If a = 0.1039, then the value of v4a2 - 4a + 1 + 3a is                        
A. A. 0.1039 B. B. 0.2078
C. C. 1.1039 D. D. 2.1039



14.

0.0169 x ? = 1.3                        
A. 10 B. 100
C. 1000 D. None of these



15.

v50 × v98 is equal to                        
A. A. 63.75 B. B. 65.95
C. C. 70 D. D. 70.25




16.

The cube root of .000216 is:                        
A. 0.6 B. 0.06
C. 77 D. 87



17.

If x * y = x + y + vxy , then the value of 6*24 is                        
A. A. 41 B. B. 42
C. C. 43 D. D. 44



18.

The least perfect square, which is divisible by each of 21, 36 and 66 is:                        
A. 213444 B. 214344
C. 214434 D. 231444



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