A glass was filled with 10 liters of water and 0.01 liter of water evaporated every day during a 20-day period . What percent of the original amount of water evaporated during the period ?

Noman sells pens for TK. 65.00 each. This price gives him a profit of 30 percent on the costs. What will be th...

Babu hired a labor to clean his garden for TK. 35.50. He was very happy with the cleaning and paid the labor b...

There ar 200 students in a class. 76% passed in Bangla and 54% passed in English . If 10% of the students fail...

A machine P can print out one lakh books in 8 hours. Machine Q can print the same number of books in 10 hours...

In a certain country, a person is born in every 5 seconds and a person dies every 13 seconds. Therefore the bi...

On dividing a number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remai...