A machine in a soft drimk factory fills 840 bottles in six hours.How many bottles will it fill in five hours?

A batch of bottles was packed in 25 boxes with 12 bottles in each box.If the same batch is packed using 20 bottles in each box,how many boxes would be filled?

Under optimum condition Bacterial cells divide once in 20 minutes by binary fission. How many bacteria will be produced in 2 hours with same rate of division ?

Starting with a bacterium that divides once in half hour how many bacteria are formed after 24 hours of growth ?

If 15 artists can make a statue in 48 hors then how many artistd will be required to do the same work in 30 hours?

In a culture, the bacteria count is 1,00,000. The number is increased by 20% in 3 hours. In how many hours will the count reach 2,00,000, if the rate of growth of bacteria is proportional to the number present?

Four bells toll at an interval of 8, 12, 15, and 18 seconds respectively. All the four bells begin to toll together. How many times do they toll together in one hour excluding the one at the start?

A car leaves station A for station B every 10 minutes. Simultaneously a car leaves station B for station A every 10 minutes. The cars move at constant speed and go from A to B or vice versa in 1 hour. How many cars coming from other side will meet each car on rate from A to B :

A hemispherical bowl of internal diameter 36 cm. contains a liquid. This liquid is to be filled in cylindrical bottles of radius 3 cm and height 6 cm. How many bottles are required to empty the bowl?