Quantitative Aptitude - Arithmetic Ability Questions

ΔDEF is right angled at E. If cosD = 8/17, then what is the value of secF ?

If x + 3 ≤ 4x + 4 and 5(4 -­ x) ­- 4 ≥ 5x - ­2; then

The length of one side of a rhombus is 13 cm and one of the diagonals is 10 cm. What is the legth of the other diagonal?

A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is:

What is the value of Sin 30° - Cosec 45°?

If 5/2 - (6/5)(x - 15/2) = -x/5, then what is the value of x?

A sum of Rs 6000 becomes Rs 7200 in 2 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 3 years?

The areas of two similar triangles ΔABC and ΔPQR are 36 sq cms and 9 sq cms respectively. If PQ = 4 cm then what is the length of AB (in cm)?