Quantitative Aptitude - Arithmetic Ability Questions

tan2Asin2Ais equal to

A root of equation ax2 + bx + c = 0 (where a, b and c are rational numbers) is 5 + 3√3. What is the value of (a2 + b2 + c2)/(a + b + c)?

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.

For triangle ABC, find equation of median AD if co-ordinates of A, B and C are (-1,-3), (5,-4) and (3,2) respectively?

Five men or ten women can complete a job in 20 days. In how many days can 3 men and 4 women complete it?

To cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?

The distance between the tops of two building 38 metres and 58 metres high is 52 metres. What will be the distance (in metres) between two buildings?

What is the distance between the points (11,-5) and (-1,0)?