Aptitude - Arithmetical Ability

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1.

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



2.

How many two digit numbers satisfy this property. The last digit (unit's digit) of the square of the two digits numbers is 8?                        
A. A. 1 B. B. 2
C. C. 3 D. D. None of these



3.

How many two-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 8 ?                        
A. 1 B. 2
C. 3 D. None of these




4.

What is the square of 0.16?                        
A. A. 0.004 B. B. 0.04
C. C. 0.4 D. D. 4



5.

What number should be divided by v0.25 to give the results as 25?                        
A. A. 12.5 B. B. 25
C. C. 50 D. D. 125



6.

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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