Quantitative Aptitude - Arithmetic Ability Questions

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

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

If x + 1x = -2, then the value of x631 + 1x632?

If -3[1-(x/2)] + 5x/3 = 1/6, then what is the value of x?

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 25088, and Rs 28098.56 respectively, what is the rate of interest?

The radius of a cylindrical milk container is half its height and surface area of the inner part is 616 sq.cm. The amount of milk that the container can hold, approximately, is [ Use : √5 = 2.23 and π = 22/7 ]

The ratio between Ram's age and Rahim's age is 10:11. What is the age of Rahim in percentage of Ram's age

If D and E are points on the sides AB and AC respectively of a triangle ABC such that DE||BC. If AD = x cm, DB = (x – 3) cm, AE = (x + 3) cm and EC= (x – 2) cm, then what is the value (in cm) of x?