Others Maths Puzzle

5,7,11,13,17,.....
next number in the sequence is?

Read Solution (Total 4)

Others Other Question

You are given a match-box and two candles of equal size, which can burn 1 hour each. You have to measure 90 minutes with these candles. (There is no scale or clock). How do you do? Due to a 25 % increase in the price of rice per kilogram a person is able to purchase 20 kilograms less for Rupees 400. What is the increased price of rice per kilogram?