Quantitative Aptitude - Arithmetic Ability Questions

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

The simplest form of 3565/1495 is

If  tan2A / (secA -­ 1)2 = x, then the value of x is

Dalajit lent Rs 10800 to Jaabir for 3 years and Rs 7500 to Kabir for 2 years on simple interest at the same rate of interest and received Rs 1422 in all from both of them as interest. The rate of interest per annum is

In the following question, select the odd word from the given alternatives.

Find the odd word/letters/numbers pair from the given alternatives.

The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years. The ratio of the number of boys to the number of girls in the class is:-

If A, B and C are denoting Mean, Median and Mode of a data and A : B = 9 : 8. Then the ratio of B : C is