if the monthly salary of a fan employee is increased by $$ 2{2\over 3}\% $$, he gets 72 rupees more. His Monthly salary (in rupees) is:

From the peak of a hill which is 300m high, the angle of depression of two sides of a bridge lying on a ground are 45° and 30° (both ends of the bridge are on the same side of the hill). Then the length of the bridge is 

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 :

The average age of 12 players of a team is 25 years. If the captain's age is included, the average age increases by 1 year. The age of the captain is: 

A shopkeeper sold an item at a profit of 20 %. If he reduces the price of the item by Rs. 900, he incurs a loss of 10 %. What is the cost price of the item?

 ₹ 800 becomes ₹ 956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 4 %, what amount will ₹ 800 become in 3 years? 

A train running at a speed of 108 km / h crosses a pillar in 32 seconds. The length of the train (in meters) is: