Quantitative Aptitude - Arithmetic Ability Questions

What will be the value of xy, if x2+y2 = 45 and x-y=5 ?

If the selling price of an article is doubled, then its loss percentage gets converted into the equal profit percentage. What is the loss percentage?

If curved surface area of a cylinder is 1320 sq cm and height is 10 cm, find its radius?

A train starts moving from a place X at 7:00 a.m. and arrives at another place Y at 1:00 p.m. on the same day. If the speed of the train is 15 m/s, then what will be the distance (in km) covered by the train?

One pipe can fill an empty cistern in 4 hours while another can drain the cistern when full in 10 hours. Both the pipes were turned on when the cistern was half-empty. How long will it take for the cistern to be full?

If (tanA + tanB)/(1 ­ tanAtanB) = x, then the value of x is

If x + 3 ≤ 4x + 4 and 3(4 - x) - 4 ≥ 2x - 2, then x can take which of the following values?

Find out the odd word/letters/number pair from the given alternatives