Quantitative Aptitude - Arithmetic Ability Questions

In triangle PQR, C is the centroid. PQ = 30 cm, QR = 36 cm and PR = 50 cm. If D is the midpoint of QR, then what is the length (in cm) of CD?

If 3P/5 = 7Q/2 = 7R/5, then what is the ratio of p, Q and R respectively?

Mohit sells a table at a profit of 25%. If he reduces its selling price by Rs 240, then he suffers a loss of 5%. What was the initial selling price (in Rs) of the table?

A wholesaler had 200 dozens of mangoes. He sold some of these mangoes at 20% profit and the rest at 10% profit, so that he made 13% profit on selling all the mangoes. How many mangoes (in dozens) did he sell at 20% profit?

In a class of 60 students there are 20 girls who scored an average of 40 marks in the test, what is the average marks of the boys if the class average is 60 marks?

The average of 41 consecutive odd numbers is 49. What is the largest number.

30 women do half of the total work in 30 days. How many more women will be required to complete the remaining work in 10 days?

The third proportional of two numbers 9 and 15 is