lf p + m = 6 and p³ + m³ = 72, then the value of pm is: 

x = y = 333 and z = 334, then value of x³ + y³ + z³ – 3xyz is 

A group consists of 25 men and 20 women. The average weight of men is 48 kg and that of women is 30 kg. The average weight of the group is

B got 20% marks less than A. What per cent marks did A got more than B? 

The diagonal of a rectangle is 17 cm long and its perimeter is 46 cm. Find the area of the rectangle.

The shadow of a tower, when the angle of elevation of the sun is 60° is found to be 15 m shorter than when it is 45°. Then height of the tower is 

The marked price of a shirt and trousers are in the ratio 1 : 2. The shopkeeper gives 40 % discount on the shirt. If the total discount on the shirt and trousers is 30 %, the discount offered on the trousers is 

The product of the LCM and HCF of two numbers is 24. The difference of the two numbers is 2. Find the numbers?