Quantitative Aptitude - Arithmetic Ability Questions

If 1/(1 + cosA) + 1/(1 ­- cosA) = x , then value of x is

The length of each side of a rhombus is 25 m and the length of one of its diagonals is 14 m. Find the area of the rhombus?

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

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

The S.P of a washing machine is 1 1/3 of its C.P. Find the gain percent.

The average age of 36 students in a group is 14 years. When the teacher's age is included in it, the average increases by one. The teacher's age in years is

The height of a tower is 50√3 m. The angle of elevation of a tower from a distance 50 m from its feet is

Two equal sum are invested in two different schemes. One scheme gives simple interest and the other gives compound interest (annual compounding).The sum of interest obtained after 2 years from both the schemes is Rs 3717. If both scheme have 13% per annum interest rate, then what is the first year interest (in Rs) for simple interest scheme?