Instructions

For the following questions answer them individually

Question 13

The ratio of the average ages of three people and the other two in a group of five people is 9 : 7. If the difference of their averages is 12, then find out the average age of all 5 people?

Question 16

6 6 8 5 5 3 7 3 7 2 5 8 8 7 8 1 5 5 3 6

How many 5 are there in the above sequence that are completely divisible by the number on their left but not divisible by the number on their right?

Question 19

You are given a question and three statements. Identify which of the statements is/are necessary/sufficient to answer the question: **Question:**

In which year was Aarti born? **Statements:**

I. Aarti is six years older than Pranavi.

II. Pranavi's sister was born in 1982.

III. Aarti's sister is two years younger than Pranavi's sister, who is eight years younger than Pranavi.