# Category: criticalsumclass8

## A train left New Delhi for Chennai at 10 AM | with a speed of 70 km/hr | Another Train also left New Delhi for Chennai | at 11 AM with a speed of 90 km / hr | At what time 2nd Train will overtake the first train |

The question is again rewritten here: Question : A train left New Delhi for Chennai at 10 AM with a speed of 70 km/hr . Another Train also left New Delhi for Chennai at 11 AM with a speed of 90 km / hr . At what time 2nd Train will overtake the first train…

## A sum of Money becomes double in 3 years | At a compound rate of interest | What is rate of Interest | In how many times it will become 8 times

Sometimes this type of sum are given by the teaches in which logarithm cannot be used at grade or class 8 level. Teacher want to puzzle students so that more students join to their private coaching. You need not to worry . We are here to help the needy students. Let first reed the Sum…