Quantitative Aptitude - Arithmetic Ability Questions

If three successive discounts of 20%, 30% and 40% are given, then what will be the net discount (in percentage)?

Which of the following ratio correctly depicts the division of each median of the triangle by the centroid?

The average revenues of 7 consecutive years of a company is Rs 83 lakhs. If the average of first 4 years is Rs 78 lakhs and that of last 4 years is Rs 90 lakhs, find the revenue for the 4th year.

A number was divided in the ratio 3:2. When 8 was was added to each of the numbers the ratio changed to 7:5. The greater of the two numbers was

In which quadrant, will the point (4, -2) be located?

The diagonal of a square is 10√2 cm, find its perimeter?

What must be the length (in cm) of the diagonal of a rectangle if its area and breadth are 120 sq.cm and 8 cm respectively ?

Two trains are moving in the same direction at the speed of 35 km/hr and 71km/hr. The time taken by faster train to cross a man sitting in the slower train is 48 seconds. What will be the length (in metres) of the faster train?