How many positive integers less than 1000 are multiples of 11 whose square roots are whole numbers

A square has a perimeter equal to 24 units. If the length of each side of the square is reduced by 2 units, then find the area( in sq units) of the square.

If sinθ – cosθ = 7/13 and 0⁰ < θ < 90⁰ , then the value of sinθ + cosθ is :

If for a certain quantity of books, the publisher has to pay Rs. 30,600 as printing cost, then what will be the amount of royalty to be paid for these books?

Percentage of decrease in the number of accidents from May to June is:

The perimeter of a square and a circular field are same. If the area of circular field is 3850 sq meter. What is the area in meter of the square?

In the given figure AD ‖ BC, if ∠ABC=72°, then ∠BCD=?

Direction: Percentage of different types of employees in a company in two consecutive years.

If the number of D type employees in 1998 was 5000. What would have been its approximate percentage in the company?