A scientific calculator is available at universal shoppe in hazratganj at 20 % discount and the same is available at only 15 % discount of universal shoppe Bhootnath market. Mr. Agrawal has just sufficient amount of 800 to purchase it at universal shoppe hazratganz. What is the amount that Mr. Agrawal has less than the required to purchase it at universal. shoppe Bhootnath ? 

Direction: What should come in place of the question mark (?) in the following number series?
0.5, 2, 9, 35, 104, ?

A man purchased a bed sheet for Rs. 450 and sold it at again of 10 % calculated on the selling price. The selling price of the bedsheets was 

A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximate: 

The sum of five consecutive even numbers of set A is 280. What is the sum of different set of five consecutive numbers whose lowest number is 71 less than double the lowest number of set A?

Find mean of first five prime number.