Quantitative Aptitude - Arithmetic Ability Questions

The marked price of a trouser is twice of the cost price. To earn 36% profit, what should be the value of discount (in percentage)?

A,B and C contract a work for Rs. 440. Together A and B are to do 9/11 of the work. The share of C should be:

Two numbers are 90% and 75% lesser than a third number. By what % should the first number be increased so that it becomes equal to the second number?

In the given figure, OX, OY and OZ are perpendicular bisectors of the three sides of the triangle. If QPR = 65 deg and PQR = 60 deg, then what is the value (in deg) of QOR + POR ?

A missile travels at 1260 km/h. How many metres does it travel in one second?

A wholesaler sells a watch to a retailer at a profit of 33% and the retailer sells it to a customer at a loss of 20%. If the customer pays Rs 2,181.2, what had it cost the wholesaler?

Rohit wants to earn 21% profit on a belt after offering 45% discount. By how much percentage more should he mark the price of his article above the costprice?