Aptitude - Arithmetical Ability

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13.

The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:                        
A. 276 B. 299
C. 322 D. 345



14.

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



15.

The least number which when increased by 5 is divisible by each one of 24, 32, 36 and 54, is                        
A. 427 B. 859
C. 869 D. 4320




16.

Find the highest common factor of 36 and 84.                        
A. 22 B. 26
C. 12 D. None of these



17.

The HCF of 852 and 1491 is 213. Find out the LCM?                        
A. 5964 B. 5344
C. 6964 D. 7864



18.

252 can be expressed as a product of primes as:                        
A. 2 x 2 x 3 x 3 x 7 B. 2 x 2 x 2 x 3 x 7
C. 3 x 3 x 3 x 3 x 7 D. 2 x 3 x 3 x 3 x 7



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