Quantitative Aptitude - Arithmetic Ability Questions

In a class of 55 students there are 34 girls. The average weight of these girls is 51 Kg and average weight of the full class is 55.2 kgs. What is the average weight of the boys of the class?

(45.004% of 1439.97 –15.99% of 2249.97) ÷ 35.98 = ?

The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)

Simple interest on a sum for 5 years is equal to 20% of the principal. In how many years interest will be equal to the principal?

Sita's bucket has thrice the capacity as Ramu's bucket. It takes 60 turns for Sita's bucket to fill the empty drum. How many turns it will take for both the buckets of Sita's and Ramu's, having each turn together to fill the empty drum?

A root of equation ax2 + bx + c = 0 (where a, b and c are rational numbers) is 5 + 3√3. What is the value of (a2 + b2 + c2)/(a + b + c)?

In ΔDEF measure of angle E is 90 deg. If sinD = 15/17, and DE = 4cm, then what is the length (in cm) of side EF?

A certain amount of money is divided between A and B in the ratio of 5:6. If B gets Rs. 360, the amount is