In 10 days, the earth picks up `2.6` `xx` `10^8` pounds of dust from the atmosphere. How much dust will it pick up in 45 days?

In 15 days, the earth picks up 1.2 x 10^8 kg of dust from the atmosphere. In how many days it will pick up 4.8 x 10^8 kg of dust?

Ekta earns Rs 1500 in 10 days. How much will she earn in 30 days?

If 25 men earn Rs 1000 in 10 days, how much will 15 men earn in 15 days?

The distance of a galaxy from the earth is 5.6 xx 10^(25) m. Assuming the speed of light to be 3 xx 10^8 m s^(-1) find the time taken by light to travel this distance.

The Earth and Jupiter are two planets of the sun. The orbital radius of the earth is 10^(7)m and that of Jupiter is 4 xx 10^(7)m If the time period of revolution of earth is T = 365 days find time period of revolution of the Jupiter .

A boy spends Rs. 10 on first day, Rs. 20 on second day, Rs. 40 on third day and so on. Find how much, in all, will he spend in 12 days ?

An accurate pendulum clock is mounted on ground floor of a high building. How much time will it lose or gain in one day if its is transferred to top storey of a building which is h = 200m higher than the ground floor? Radius of earth is 6.4 xx 10^(6)

Suneeta can embroider a saree in 15 days. Her sister-in-law Abha can do the job in 10 days. They start embroidering the saree together, but two days later Abha gives up the work and goes to her parents. In how many days will Suneeta finish the remaining work of embroidering the saree?

If a stone is thrown up with a velocity of 9.8 ms^(-1) , then how much time will it take to come back ?

The mean distance of the moon from the earth is 3.84 xx 10^5 km and it rotates around the earth in 27.3 days. What is the angular momentum of the moon around the earth ? Mass of the moon = 7.3 xx 10^(22) kg