The total population of a village is $5000$. The number of males and females increases by $10\%$ and $15\%$ respectively and consequently the population of the village becomes $5600$. What was the original number of males in the village?

If it is possible to make only one meaningful English word with the second, the fifth, the seventh, and the eighth letters of the word ACQUIRED using each letter only once, when counted from left to right, which of the following will be the third letter of the word so formed from the left. If no such word can be formed, give X as your answer. If more than one such word can be formed, give Z as your answer.

Five people P, Q, R, S, and T are sitting around a circular table facing the centre with equal distance between each other. P is an immediate neighbour of S. Only two people sit between S and T (either from left or right). R sits to the immediate left of Q. What is the position of Q with respect to T?

What will come next in place of (?) in the following series based on the English alphabetical order and numbers?

CA-2  EC-4  GE-8  IG-16 ?

Four of the following five are alike in a certain way based on the English alphabetical series and hence they formed a group. Which of the following does not belong to the group?