If 'DOG' is coded as 'EPH', what is the code for 'CAT'?

A. DBU

What letter should come next in the series: A, C, E, G, I, ?

B. J

If C can finish a work in 12 days and D can finish the same work in 18 days, how long will it take for both to finish the work together?

A. 7.2 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

Seven friends, W, X, Y, Z, A, B, and C, attended a party. W arrived before X but after Y. Z arrived before A and after B. C arrived last. What is the order of arrival?

C. Y, B, Z, A, W, X, C

If A is the brother of B, and B is the sister of C, what is the relationship of C to A?

B. BROTHER