Quantitative Aptitude - Arithmetic Ability Questions

If the ratio of cost price and selling price be 10:11, then the profit percentage is

A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

If x = (√2 + 1)/(√2 – 1), then what is the value of (x5 + x4 + x2 + x)/x3 ?

In ΔUVW measure of angle V is 90 deg. If cosecU = 13/12, and UV = 2.5cm, then what is the length (in cm) of side VW?

PQ is a tangent to the circle at T. If TR = TS where R and S are points on the circle and ∠RST = 65°, the ∠PTS =

If a - b = 2 and ab = 15, then what is the value of a3- b3?

If 9/4th of 7/2 of a number is 126, then 7/2th of that number is _____.