How to make jugad water alarm

Alarms from 3 different clocks sound after every 2, 4 and 6 hours, respectively. If the clocks are started at the same time, how many times do the alarms ring together in 3 days?

Alarms from 3 different clocks sound after every 2, 4 and 6 hours, respectively. If the clocks are started at the same time, how many times do the alarms ring together in 3 days?

A mixture of 30 litres of spirit and water contains 20% of water in it. How much water must be added to it, to make the water 25% in the new mixture ?

The ratio of milk and water in 55 litres of adulterated milk is 7 : 4 . How much water must be added to make the mixture's ratio 7 : 6 ?

A mixture of chalk powder and water makes a

How are soaps different from detergents? What makes water hard?