self Maths Puzzle

What is the missing number
15,30,?,40,8,48,....

Read Solution (Total 3)

self Other Question

From 4 gentlemen and 4 ladies a committee of 5 is to be formed. The committee consists of a President, a Vice-President and three Secetaries. what is the number of ways of selecting the committee with at least 3 women such that at least one women holds the post of either a president or a vice- president. Today is friday.After 62 days it will be?