Two friends P and Q started a business by investing in the ratio of 6 : 7. R joined them after six months by investing an amount equal to that of Q’s. At the end of the year, profit earned was Rs. 66,000. What was the share of R ?

The pie graph given here shows the break-up of the cost of construction of a house.

Assuming that the total cost of construction is ₹ 6,00,000, answer the questions.

Break-up of the cost of construction of a house 

The amount spent on labour exceeds the amount spent on steel by 

The sum of square of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is

If x = z = 225 and y = 226 then the value of : x³ + y³ + z³ – 3xyz is

If Anju is 30% more efficient than Bitt, then how much time will they take, working together, to complete a job which Anju alone could have done in 23 days?

For which value of x the seven-digit number 8439x53 is divisible by 99?

There is 40% sugar in 3 liters of sugar solution, what percentage of sugar will be in the new solution if one liter of water is added to this solution?

PQRS is a cyclic quadrilateral. If ∠P is three times of ∠R and ∠S is four times of ∠Q, then the sum of ∠S + ∠R will be: