The second’s hand of a watch is 2 cm long. The velocity of its tip is

4 men or 8 women can do a piece of work in 24 days. In how many days, will 12 men and 8 women do the same work?

what is a percent of b divided by b percent of a?

Answer : 1

Two pipes A and B are attached to a cistern. Pipe A can fill the cistern in 3 hours while pipe B can empty it in 9 hours. When both the pipes are opened together, find the time for filling the cistern?

How many such pairs of letter are there in the word PACKETS, each of which has as many letters between them in

the word (in both forward and backward directions) as they have between them in the English alphabetical series?

'HC' is related to 'KQ' in a certain way. Similarly, 'OG' is related to 'AB' in the same way. To which of the following

is 'RK' related following the same pattern?