Question : The average age of 5 children is 10 years. If two more children of ages 11 years and 16 years join, then what will be the new average age?

Option 1: 11 years

Option 2: 10 years

Option 3: 13 years

Option 4: 12 years

Question : The ratio of the ages of Ram and Shyam 15 years ago was 2 : 5. The ratio of their present ages is 5 : 8. What will be the present age of Shyam (in years)?

Option 1: 10

Option 2: 15

Option 3: 25

Option 4: 40

Question : If (7x + y) : (7x – y) = 7 : 3, then what is the value of x : y?

Option 1: 4 : 3

Option 2: 5 : 14

Option 3: 15 : 6

Option 4: 6 : 15

Question : The average age of four boys A, B, C, and D is 5 years and the average age of A, B, D, and E is 6 years. C is 8 years old. The age of E is (in years).

Option 1: 12

Option 2: 13

Option 3: 14

Option 4: 15

Question : The average age of 15 members of a committee is increased by 4 years when two members whose ages are 60 years and 70 years are replaced by two new members. What is the average age of the new members?

Option 1: 105 years

Option 2: 80 years

Option 3: 85 years

Option 4: 95 years