Quantitative Aptitude - Arithmetic Ability Questions

Find the odd man out of the following number series?

1/2, 1, 3/2, 6, 5/2, 3

In the following question, select the odd word pair from the given alternatives.

Select the odd figure out of the following figure series?

A and B started a business jointly A's investment was thrice the investment of B and the period of his investment was two times the period of investment of B. If B received Rs. 4000 as profit, then their total profit is :

A trader sold an article at a loss of 5% but when he increased the selling price by Rs.65 he gained 3.33% on the cost price. If he sells the same article at Rs. 936, what is the profit percentage?

If the simple interest on a sum of money at 5% per annum for 3 years is Rs. 1200, find the compound interest on the same sum for the same period at the same rate.

The average age of a husband and his wife was 23 years at the time of their marriage. After  five years they have a one-year old child. The average age of the family now is : 

In a 100 m race, A can give B 10 m and C 28 m. In the same race B can give C