Quantitative Aptitude - Arithmetic Ability Questions

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 the angles of a triangle are in the ratio of 2 : 5 : 8, then find the value of the largest angle.

If the ∠ABC and ∠ACB of triangle ABC is 80 deg and 60 deg respectively. If the Incenter of the triangle is at point ‘I’ then calculate angle BIC.

A well of diameter 3 m and depth 14 m is dug. The earth, taken out of it, has been evenly spread all around it in the shape of a circular ring of width 4 m to form an embankment. Find the height of embankment?

What is the least number that can be multiplied to 69120 to make it a perfect cube?

The HCF of 20, 28 and 48 is

What smallest number should be added to the sum of squares of 15 and 14, so that the resulting number is a perfect square?

The product of two decimals is 0.768. If one of the decimal number is 1.6, find the other.