Quantitative Aptitude - Arithmetic Ability Questions

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

Factorise x2 + 3x -­ 18

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

If 3.5x = 0.07y, then find the result of [y-x / y+x]

Rearrange the jumbled up letters to form a meaningful word and find the odd one out.

The average revenues of 9 consecutive years of a company is Rs 65 lakhs. If the average of first 5 years is Rs 60 lakhs and that of last 5 years is Rs 72 lakhs, find the revenue for the 5th year.

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 16:9 and PQ = 3.6 cm, then what is the length(in cm) of XY?

If the diameter of a hemisphere is 21 cm, then what is the volume (in cub.cm) of hemisphere?