A school play ground is 120 m long and 80 m wide, there is 2 m wide path parallel to its width and and Parallel to its length. The area of remaining ground.

The average per day income of A, B and C is Rs. 450. If the average per day income of A and B be Rs. 400 and that of B and C be Rs. 430, the per day income of B is: 

A rectangular plot is 32m by 24m. The owner of that plot wants to divide the plot into equal parts and for that purpose he builds a fence of wire on one diagonal. If wire costs Rs. 15.50 per metre, how much amount will be spent on fencing?

Population of a town increases by 12% every year. If the population of town will be 188160 after 2 years, then what is its present population?

if θ is acute angle and sin (θ+18⁰) = 1/2, then the value of θ in circular measure is :

Purchased a table for 13500 and sold it 11000. What is his loss percentage?

A man purchased a bed sheet for Rs. 450 and sold it at again of 10 % calculated on the selling price. The selling price of the bedsheets was 

A vessel contains 60 litres of milk. 12 litres of milk taken out from it and replaced with water. Then again form mixture, 12 litres is taken out and replaced with water. The ratio of milk and water in the resultant mixture is :