The average weight of 14 children is 22 kg. If the weight of the teacher is also included, then the average weight becomes 23 kg. What is the teacher's weight?

When a diagonal of a square is 24 cm then find out of its perimeter.

A six digit number is formatted by repeating a three digit number: for example, 256, 256 or 678, 678 etc. Any number of this form is always exactly divisible by:

If 0.13 x p² = 13, then p is equal to

The ratio 5 : 4 expressed as a percent equals :

A reduction of 20 % in the price of salt enabled a purchaser to obtain 4 kg. more for Rs. 100. The reduced price of salt per kg is :

A tradesman marks his goods at 20 % above the cost price. He allows his customers a discount of 8% on marked price. Find out his profit percent.

A sum of ₹ 1550 was lent partly at 5 % and partly at 8 % simple interest. The total interest received after 3 years is ₹300. The ratio of money lent at 5 % to that at 8 % is