Quantitative Aptitude - Arithmetic Ability Questions

The length of the diagonal of a square is 10 cm. What is area of this square?

If the numbers  93, 204, 256 are arranged in ascending order, then the right arrangement is 

Solve 675.9995+(3.9989)2 = ? ÷ 16.9900865

If p3 - q3 = (p - q) ( (p - q)2 + x p q ) then value of x is

The percent profit made when an article is sold for Rs. 78 is twice as much as when it is sold for Rs. 69, the cost price of the article is?

The average weight of two players P and Q of a football team is 38 kg. The average weight of P, Q and their coach T is 49 kg. What is the weight (in kg) of coach?

The average cost of 4 items in a shopping list is Rs 1,250. If one more item whose cost is Rs 2,000 is added to the list what will be the new average (in
Rs)?

A sum fetched a total simple interest of Rs 1200 at the rate of 7.5%/yr in 4 years. What is the sum (in Rs)?