Quantitative Aptitude - Arithmetic Ability Questions

The measures of the three angles of a triangle are in the ratio 1:2:3. What is the measure of the biggest angle?

In the given figure, the angle bisectors of B and C of an isosceles triangle intersect at point O. Find the angle BOC (in degree), when ∠ABC = ∠ACB = 75°.

Identify the odd one out from the following:

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is

What number, from the following should be deducted from 1184 to make it exactly divisible by 21?

a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?

A mixture of alcohol and water contains 7% alcohol. How much mixture (in litres) is required to get 357 litres of alcohol?

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.