Aptitude - Arithmetical Ability

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19.

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:                        
A. 15 cm B. 25 cm
C. 35 cm D. 42 cm



20.

Which of the following has most number of divisors?                        
A. 99 B. 101
C. 176 D. 182



21.

The HCF of 5 and 15 is                         
A. 5 B. 10
C. 15 D. 20




22.

The H.C.F. of 0.54, 1.8 and 7.2 is:                        
A. 1.8 B. 0.18
C. 0.018 D. 18



23.

sum of two numbers is 216 and their HCF is 27. The numbers are:                        
A. 27, 189 B. 108, 108
C. 154, 162 D. 81, 189



24.

Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is:                        
A. 75 B. 81
C. 85 D. 89



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