Quantitative Aptitude - Arithmetic Ability Questions

Working together, pipes A and B can fill an empty tank in 10 hours. They worked together for 4 hours and then B stopped and A continued filling the tank till it was full. It took a total of 13 hours to fill the tank. How long would it take A to fill the empty tank alone?

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

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

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

If x + 2(3-5x) > -1 - 2x < 5 - x/3; then the value of x is

3cosA is equal to

The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is

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