Quantitative Aptitude - Arithmetic Ability Questions

What is that least digit that must be added to the product 5786 × 5784 to make it a perfect square?

In an alloy, aluminium and tin are in the ratio of 4 : 5. In the second alloy, the ratio of same elements is 4 : 7. If equal quantities of these two alloys be mixed to form a new alloy, then what will be the ratio of both of these elements in the new alloy?

In a one day match of 50 overs in an innings the Team A had a run rate of 6.1 runs per over. Team B is playing and 10 overs are left and the required run rate to tie the match is 6.5 per over. What is Team B's score now?

Which of the numbers given below is the square root of 15376?

If the circumference of a circle is 44 cm, then what must be its area (in cm²)?

What is the value of 2sec2A?

If XY = a+23 and YX = 13, then find the value of X2 + Y2X2 - Y2.

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