Quantitative Aptitude - Arithmetic Ability Questions

What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?

Find the median, mode and mean of 9, 5, 8, 9, 9, 7, 8, 9, 8.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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

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 = 3:8, find the value of (5a ­ 3b)/(2a + b).

If cosαcosβ=m and cosαsinβ=n,then the value of m2+n2 cos2β is

If sin ­- 5π/3 = x, then the value of x is

What is the value of 23+5252-23 ?