Rony and Jony are working on an assignment. Rony takes 6 hours to type 32 page on a computer, while Jony takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?

How many prime numbers a between 45 to 72?

What is the difference between the 6 digit largest and smallest numbers?

What is the next number in the series 1, 4, 9, 16 ......?

In a club 50% of the male voters and 80% of the female voters voted for candidate A. If candidate A received 7...

A amount of TK. 735 was divided between A, B and C. If each of them had recieved TK> 25 less, their shares wou...

The average mark obtain by 15 students was 10 and the average mark obtained by 10 students was 15. What was th...