Quantitative Aptitude - Arithmetic Ability Questions

If 4(2x + 3) > 5 -­ x and 5x - ­3(2x­ - 7) > 3x -­ 1, then x can take which of the following values?

The sum of a non-zero number and twenty times its reciprocal is 9. What is the number?

The lengths of the two diagonals of a rhombus are 8 cm and 15 cm respectively. Find its area (in cm²).

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

The arithmetic mean of the marks scored by students of a class is 58. 20% of them secured a mean score of 60. The mean score of another 30% of the students was 40. The mean score of the remaining students is

The angle of elevation of the top of a tower from two horizontal points (in opposite sides) at distances of 25 meter and 64 meter from the base of tower are x and 90° - x respectively . The height of the tower will be

Divide Rs. 288 in the ratio 2 : 3 : 5 : 6. The rupees in the respective ratios are given by

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