Quantitative Aptitude - Arithmetic Ability Questions

Two numbers are in the ratio of 15 : 11. If their HCF is 13, then the greater number is?

If Cot θ = 21/20, then what is the value of Sec θ?

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 ?

Three bottles of equal capacity have mixture of milk and water in ratio 5 : 7, 7 : 9 and 2 : 1 respectively. These three bottles are emptied into a large bottle. What is the percentage of milk in the new mixture?

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)?

In a marriage party 32% are women, 54% are men and there are 196 children. How many men are there in the marriage party?

The length of the diagonal of a square is 12 cm. Find its area (in cm2).