Four words are given, out of which only one word is

If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?

5 ÷ 5 + 5 – 10 × 10 = ?

Find the next number in the series.

17, 25, 52, 116, 241, 457, ?

Select the option that is related to the third term in the same way as the second term is related to the first term.

Typhoid : Bacteria :: Influenza : ?

Four of the following five are somehow similar and therefore create a group. Which of these is not related to this group?

Select the set in which the numbers are related in the same way as are the numbers of the given sets.

‘A + B’ means ‘A is the brother of B’.

‘A – B’ means ‘A is the wife of B’.