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 aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Find the greatest four digit number when divided by 8, 12, 16 leaves 2 as remainder in every case?

In a number system, on dividing 11509 by a certain number, Mukesh gets 71 as quotient and 7 as remainder. What is the divisor?

An angle is greater than its complementary by 20°. What will be the measure of the angle?

A can do a work in 15 days and B in 20 days. If they work on it together for 6 days, then what fraction of work is left?

Ram is thrice as fast as Mohan and Nohan is twice as fast as Sohan. The distance covered by Sohan in 42 minutes will be covered by Mohan in

A wholesaler purchased 7 hair clips for a rupee. How many for a rupee must he sell to get profit of 40%.

The average of ten numbers is 18. If one number is removed, then the average becomes 16, then what is the removed number?