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?

Identify the odd one out from the following:

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°.

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?

The length of one side and the diagonal of a rectangle are 7 cm and 25 cm respectively. Find its area (in cm²)