Self Maths Puzzle Category

A train covers the distance x between two cities in y hours, arriving 2 hours late. What rate would permit the train to arrive on schedule?

Read Solution (Total 0)

Self Other Question

An urn contains four balls.two balls are drawn at random are found to be white.What is the probability that all the balls are white? Suppose 1 to N numbers are there... Select two numbers randomly from 1 to N numbers and apply a+b+a formule and place it for last..... aplly this formulee until one number gets, what is that number?