Quantitative Aptitude - Arithmetic Ability Questions

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Simplify : 213 - 112 of 35 + 125 ÷ 213

If n + n2 + n4 + n8 = 45, then find the value of 'n' which will satisfy the equation.

P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P to Q.

Amit is five years older than Vaibhav at present. After four years the ratio of their age will be 5:4. What is Amit age at present (in years)?

A wheel has diameter 84 cm. The number of complete revolution it will take to cover 792 m is

Find the smallest of the following decimals.

Pick the odd one out from the following