Quantitative Aptitude - Arithmetic Ability Questions

Findout the odd word/letters/number/number pair from the given alternatives.

The value of tan(-405°)

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 33708, and Rs 35730.48 respectively, what is the rate of interest?

The angle of elevation of the top of a hill at the foot of the tower is 60 deg and the angle of elevation of the top of the tower from the foot of the hill is 30 deg. If the tower is 50 m high, what is the height of the hill?

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

What is the value of [2 cot × (p – A)/2]/[1 + tan2× (2p – A)/2]?

Find equation of the perpendicular bisector of segment joining the points (2,­6) and (4,0)?

The point R(a,b) is first reflected in origin to R1 and R1 is reflected in x­axis to (­-4,2). The co-­ordinates of point R are