Quantitative Aptitude - Arithmetic Ability Questions

Point P is the midpoint of segment AB. Co-ordinates of P are (3 , 1) and B are (5, -4). What are the co-ordinates of point A?

Chandan travelled equal distance with speed of 3 kmph, 4 kmph and 8kmph and takes a total time of 42.5 min. Find the total distance in km.

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

Among three numbers, the first is twice the second and thrice the third, If the average of three numbers is 517, then what is the difference between the first and the third number?

If the ratio of cost price and selling price be 10:11, then the profit percentage is

The reciprocal of the sum of the reciprocals of 8/7 and 5/6 is:

If the side of a square is increased by 20%, then what will be the percentage increase in its perimeter?

If ab+ba = -1, then the value of a2b-b2a is