Vijaya types 540 words in half an hour. How many words will she type in 9 minutes 

Tharani's age is 3 less than that of Rani. If Rani's age is 18. What are the ratio of Rani and Tharani's age

A worker receive Rs. 11250 as bonus, which is 15% of his annual salary. His monthly salary is

A sum of money triples itself at 10% per annum at simple interest. Find the number of years

A school auditorium is 45 m long and 27 m wide. This auditorium is surrounded by a varandha of width 3 m on its outside. Find the area of the varandha

If the diagonal of a square is 10 cm, then the side of the square is