Assessment Exam Category

Which of the following is a pair of co-primes?
a) (16, 62) b) (18, 25) c) (21, 35)
d) (23, 92) e) None of these

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Ans. b(18 , 25)
HCF of co-prime numbers should be 1.
6 years agoHelpfull: Yes(1) No(0)

Assessment Other Question

A Students was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17,
21, 14 and x. He found the mean to be 12. What should be the number in place of x?
a) 3 b) 7 c) 17
d) 31 e) None of these A camel pursue an elephant and takes 5 leaps for every 7 leaps of the elephant, but 5 leaps of
elephant are equal to 3 leaps of camel. What is the ratio of speeds of camel and elephant?
a) 21 : 25 b) 24 : 23 c) 25 : 21
d) 23 : 24 e) None of these