Quantitative Aptitude - Arithmetic Ability Questions

The diagonal of a rhombus is 8m and 6m respectively. Find its area.

If Sinx = 4/5, then Sec2x - 1 = ?

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

If x2+5x+6 = 0, then the value of 2xx2-7x+6 is

If a + b = 10 and ab- 13 = -ba - 11, then what is the value of 3ab + 4a2 + 5b2 ?

Find out the odd word/letters/number/number pair from the given alternatives.

Four numbers, when arranged in ascending order, are w, x, y and z. The average of the smallest three numbers is 18, while the average of the largest three was 22. What is the range of the data?

If x2 + ax + b, when divided by x + 3, leaves a remainder of -1 and x2 + bx + a, when divided by x - 3, leaves a remainder of 39, then a+ b = ?