The average of the three numbers is 60. The first number is one-fourth of the sum of the remaining two numbers, the first number is-

The average of 19 numbers is 24. If each number is multiplied by 3, what is the new average?

The average weight of 15 students of a class increases by 1.5 kg when a student of 40 kg is replaced by a new student. What is the weight (in kg) of the new student?

1261 in 3 years at the rate of 5 percent annual interest on a sum of money. Interest is received by compound . money will be

A business Rs. 3500 Starts from, after 5 months B becomes his partner, after one year the profit between the two is divided in the ratio of 2: 3, then find the capital investment of B.

The amount of Rs 400 becomes Rs 480 in 4 years. If the rate of interest is increased by 2 percent, how much will it be?

After 4 years, the difference between principal and simple interest is Rs. 228 at the rate of 6 percent simple interest, so what is the amount of principal?

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