A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 3 classes were half full. 5 classes were 3/4 full and 2 classes were 1/6 empty. A total of 74 students were absent. What is the total number of students in this school?

In a shop, the cost of 5 shirts, 5 pairs of trousers and 3 hats is Tk. 710. The cost of 11 shirts, 11 pairs of...

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travel...

The total age of A, B and C is 90 years. Ten years ago the ratio of their ages was 1 : 2 : 3. What is the pres...

Kamal went to a shop and bought things worth Tk 25, out of which 30 pasa went on sales tax on taxable purchase...

The salaries of A, B, and C, are in the ratio of 1 : 2 : 3. The salaries of B and C together is Tk. 6,000. By...

If a carton containing a dozen mirrors is dropped. which of the following cannot be the ratio of broken mirror...