If the ratio of the measurements of the three angles of a triangle is 2: 3: 4, then the measurement of its largest angle is.

A family has two grandparents, two parents and four children. Two years ago, the average age of grandparents was 72 years. A year ago, the average age of parents was 36 years. Currently, the average age of children is 12 years. What is the current average age of the family?

Mahadev covered some distance at some speed. If he traveled a distance of 3 km / h more, it took him 40 minutes less time. If he had covered the distance at a speed of 2 km / h less, he would have taken 40 minutes more. The distance (in km) is

The single discount which is equivalent to three successive discounts of 25%, 20% and 10% is-

If a trader finds out that his profit is equal to 20 percent of the selling price, then his actual profit is.

The average marks obtained in a class of 50 students is 70%. The average of first 25 is 60% and that of 24 is 80%. What is the marks obtained by the last student?

Kirti decided to spend 45% of her monthly salary on shopping, after spending Rs 11475 she found that this money was 60% of the amount she spent, what is Kirti's salary?

Find the difference between compound interest and simple interest on 5000 for 2 years at 8% p.a payable annually.