Quantitative Aptitude - Arithmetic Ability Questions

The difference between Charles' and Shriya's ages is 6 years. When they married each other 30 years ago, 4 times Charle's age was the same as 5 times the age of Shriya. What is the current sum of their ages?

What is the area (in sq cm) of a regular hexagon of side 14 cm?

If the circum radius of the equilateral triangle is 12 cm then what is the value of in radius (in cm) of the triangle?

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)

Two circles with centres P and Q touch each other externally. A straight line drawn through the point of contact intersects the circle with centre P at A and the circle with centre Q at B. Then, which of the following is true?

What is the value of 643 × 121289 - 169 ?

The pair of linear equations 3x + y = 1 and px + 2y = 5 has no finite solution if