In 8 days, the earth picks up `(6.4xx10^7)` kg of dust from the atmosphere. How much dust will it pick up in 15 days?

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 10 days, the earth picks up 2.6 x 10^8 pounds of dust from the atmosphere. How much duct 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?

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

12 cows together eat 756 kg of grass in 7 days. How much grass will be caten by 15 cows in 10 days?

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

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

The mass of earth is 6 xx 10^(24)kg and radius is 6400 km. How much amount of work will be done to make the duration of day its 20 hours rather than 24 hours.

15 boys earn Rs 900 in 5 days, how much will 20 boys earn in 7 days?