Quantitative Aptitude - Arithmetic Ability Questions

The mean height of 25 boys in a class is 150 cm, and the mean height of 35 girls in the same class is 145 cm. The combined mean height of 60 students in the class is ___ (app)

A rice trader buys 20 quintals of rice for Rs 8,580. However, 22% rice is lost in transportation. At what rate should he sell to earn 20% profit?

26 is 0.4% of which number?

(91 + 92 + 93 + ......... +110) is equal to

A sum fetched a total simple interest of Rs. 9648 at the rate of 12% per year in 6 years. What is the sum?

5 years ago the average age of a family which includes father, mother and a son was 35 years. 3 years ago the average age of father and mother was
46 years. What is the present age (in years) of the son?

Find the HCF of 3341 and 3328.

50% of a = b, then b% of 40 is the same as _________ of a.