Test Preparation on Aptitude Test Preparation Part 38

1.

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then find the average marks of all the students ?

2.

In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is 2/3 of the number of students of 8 years of age which is 48. What is the total number of students in the school?

3.

A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. Find the number of days for which the remaining food will last?

4.

4. If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. Find the actual distance travelled by him ?

5.

Reena took a loan of 1200 with simple interest for as many years as the rate of interest. If she paid 432 as interest at the end of the loan period, what was the rate of interest?