Tag: math & puzzles

Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

In a mixture 60 litres, the ratio of milk and water 2 : 1. If the this ratio is to be 1 : 2, then the quanity of water(in litres) to be further added is:

Pipe A can fill a tank in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40 mins. If all of them work together, find the time taken to fill the tank.

A goat is tied to one corner of a square plot of side 12m by a rope 7m long. Find the area it can graze.

A train travels a certain distance taking 7 hours for the journey. During the return journey speed is increased by 12km/hr and the journey time becomes 5 hours.What is the distance of one side of the journey?

The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?

Do they have a 4th of July in England?

Some months have 31 days; how many have 28 days?