Quantitative Aptitude - Arithmetic Ability Questions

ΔPQR is right angled at Q. If tanP = 24/7, then what is the value of cosR ?

The value of 8(sin6θ + cos6θ) - 12(sin4θ + cos4θ) is equal to

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

From the top of a tower 60 mts high the angle of depression of the top and bottom of a pole are observed to be 45° and 60° respectively. If the pole and tower stand on the same plane, the height of the pole in meters is

A sum of Rs 8000 becomes Rs 12500 in 2 years at a certain rate of compound interest. What will be the sum (in Rs) after 3 years?

If (x – 2)2 + (y + 3)2 + (z – 15)2 = 0, then what is the value of x + y + z – 5?

Coefficient of x2 in 6x3 + 4x2 + 2x + 3 is

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔABC is 98 cm sq, what is the area (in sq cm) of quadrilateral BDEC?