A cycle seller gives 10% discount on marked retail price and still earns 26% profit. If marked retail price of the cycle is Rs. 840/- Then how much money was paid by the seller for that cycle?

If the cost of production of an article is 2/5 of its marked retail price, If it is sold at 10% discount then what will be profit?

The number of students in a school increases and decreases by 10% respectively in every alternate year. If there was increase in the year 2000 then in how much percentage what happened in the number of students in the vear 2003 in comparison to year 2000.

If the diagonals of two squares are in the ratio of 2: 5, their area will be in the ratio of

The diagonal of a square A is (a+b). The diagonal of a square whose area is twice the area of square A, is

The diagonal of a square is $${4\sqrt { 2}\ }$$ cm. The diagonal of another square whose area is double that of the first square is :

The length of the diagonal of a square is ‘a’ cm. Which of the following represents the area of the square (in sq. cm.)?

If the length of the diagonal AC of a square ABCD is 5.2 cm, then the area of the square is: