What is the next number in the series: 7, 14, 28, 56, ?

B. 112

If A can do a piece of work in 15 days and B can do it in 10 days, how long will it take for both A and B to complete the work together?

A. 6 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

Bird is to Fly as Fish is to ?

A. SWIM

There are four animals: a dog, a cat, a rabbit, and a turtle. The dog is faster than the cat but slower than the rabbit. The turtle is slower than the cat. Which animal is the fastest?

C. RABBIT

Select the odd pair from the following options.

D. 13, 15