Quantitative Aptitude - Arithmetic Ability Questions

In what ratio is the segment joining the points (2,5) and (­6,­10) divided by the y­axis?

Find the curved surface area (in cm2) of a right circular cone of diameter 28 cm and slant height 12 cm.

What is the value of cos2A/(1 + sinA)?

The mean of the data 1, 2, 10, 18, 3, 17, 19 is

A car travels a certain distance at 34 km/h and comes back at 66 km/h. What is the average speed for total journey?

In an army selection process, the ratio of selected to unselected was 5:1. If 100 less had applied and 20 less selected, the ratio of selected to unselected would have been 6:1. How many candidates had applied for the process?

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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.

tan2Asin2Ais equal to