Quantitative Aptitude - Arithmetic Ability Questions

Two smaller circles touch a large circle internally and pass through the center O of the larger circle. If the diameter of the bigger circle is 28 cm, thenwhat is the area of the bigger circle which is not enclosed by the two smaller circles (in sq.cm)?

If 2x- ­2(x ­- 2) < 5 ­- x > ­-2x + 2; then the value of x is

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

If Sinx = 4/5, then Sec2x - 1 = ?

If Tan A = 15/8 and Tan B = 7/24, then Cos(A - B) = ?

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

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

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