Quantitative Aptitude - Arithmetic Ability Questions

Average age of 6 boys is 14 years. Average age of 11 girls is 12 years. What is the average age (in years) of all boys and girls?

In ΔPQR, ∠QPR = 45° and the bisectors of ∠PQR and ∠PRQ meets at O. What is the value (in degrees) of ∠QOR?

In triangle ABC, O is the orthocenter and angle BOC is 120 deg. Calculate angle BAC.

Select the odd word/letters/number/number pair from the given alternatives.

If 51.97 ­ (81.18 -­ x ) ­- 59.39 = 5.268, then value of x will be

In a triangle ABC, the length of in-radius and circum-radius is 2 units and 6 units respectively. Find the distance (in units) between the in-centre and circum-centre.

The curved surface area and the diameter of a right circular cylinder are 660 sq.cm and 21 cm respectively. Find its height (in cm).

Select the odd word/letters/number/number pair from the given alternatives.