Q1. The present age ratio of A and B is 3 2 9 years hence this ratio becomes 9 7 Find the average of their age 5 years hence

Q2. Of the three numbers whose average is 60 the first is one fourth of the sum of the others The first number is

Q3. In a race with 10 competitors the first place finisher receives a gold medal the second place finisher receives a silver medal and the third place finisher receives a bronze medal If there are no ties in how many different ways may these three medals be awarded

Q4. The average wage of 200 men is Rs 300 Later on it was discovered that the wage of two workers were misread as 50 and 30 instead of 500 and 300 The correct average was

Q5. Average score of a class of 50 students in an exam is 34 Average score of the students who have passed is 52 and the average score of students who have failed is 16 How many students have failed in the exam