Quantitative Aptitude - Arithmetic Ability Questions

A tower is 50 meters high.Its shadow is x metres shorter when the sun's altitude is 45° than when it is 30° . The value of x in metres is

In an arithmetic progression, if 9 is the 5th term, -26 is the 12th term, then -6 is which term?

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

What is the equation of the line which passes through the points (3,­2) and (5,3)?

2sin[(C+D)/2].cos[(C­-D)/2] is equal to

Select the odd word from the given alternatives.

Find the odd word/letters/number pair from the given alternatives

If x - 2y = 2 and 3x + y = 20, then the value of (x,y) is