Quantitative Aptitude - Arithmetic Ability Questions

The ratio of two numbers is 3 : 7. If their product is 1344, then what is the sum of both the numbers?

A group of boys has an average weight of 36 kg. One boy weighing 42 kg leaves the group and another boy weighing 30 kg joins the group. If the average now becomes 35.7 kg, then how many boys are there in the group?

The average of four consecutive odd numbers is 64. What is the value of largest number?

Two numbers are in ratio 3:4. When 3 is subtracted from both the numbers, the ratio becomes 2:3. Find the sum of the numbers.

What is the area (in sq cm) of a circle whose circumference is 26.4 cm?

If 3x - 10 = -(2x + 5), then the numerical value of (x - 4)3 is

If (4x -­ 5) = (3x ­- 1), then the numerical value of (x + 4)2

An article was sold at Rs. 950 allowing 5% discount on the marked price. The marked price of the article is