If 5 men can do a piece of work in 6 days and 10 women can do it in 5 days. In how many days can 3 men and 5 women do the same piece of work?

If A's income is 25% more than B's income, then the percentage of B's income in terms of A's income is:

A person saved Tk. 5 in buying a dress on sale. If he spent Tk. 45, then he saved:

When the price of oranges decreases by 20%, a person can buy 5 oranges more for Tk. 100. How many oranges can...

There are _____ numbers between 100 to 400 which are divisible by 11.

A father is 61 and his son is 16. In how many years will the father be twice as old as his son?

17 June was Sunday. What day of the week was on 10 November of the same year?