Aptitude - Arithmetical Ability

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25.

Which one of the following numbers has rational square root?                        
A. A. 0.4 B. B. 0.09
C. C. 0.9 D. D. 0.03



26.

                        
A. 5 B. 6
C. 8 D. 11



27.

If a = 0.1039, then the value of 4a2 - 4a + 1 + 3a is:                        
A. 0.1039 B. 0.2078
C. 1.1039 D. 2.1039




28.

If 2 * 3 = v12 and 3 * 4 = 5, then the value of 5 * 12 is                        
A. A. 13 B. B. 15
C. C. 18 D. D. 21



29.

A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 59.29, the number of the member is the group is:                        
A. 57 B. 67
C. 77 D. 87



30.

If 5 = 2.236, then the value of                        
A. 5.59 B. 7.826
C. 8.944 D. 10.062



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