Question : From a class of 42 boys, a boy aged 10 years goes away and in his place, a new boy is admitted. If on account of this change, the average age of the boys in that class increases by 2 months, the age of the newcomer is:

Option 1: 19 years

Option 2: 17 years

Option 3: 10 years 6 months

Option 4: 12 years 2 months

Question : The average age of 29 students in a class is 26 years. If the age of the teacher is also included, the average age of the class becomes 26.4 years. Find the age of the teacher.

Option 1: 36 years

Option 2: 38 years

Option 3: 42 years

Option 4: 32 years

Question : The average age of 6 members of a family is 20 years. If the age of the servant is included, then the average age increases by 20%. What is the age of the servant?

Option 1: 52 Years

Option 2: 56 years

Option 3: 50 years

Option 4: 48 years

Question : The average age of P, Q, and R is 19 years and that of P and Q is 20 years. R's present age is:

Option 1: 17 years

Option 2: 15 years

Option 3: 20 years

Option 4: 22 years

Question : The average age of 9 girls is 16 years. The average age of 11 boys is 26 years. What is the average age of all these boys and girls taken together?

Option 1: 22 years

Option 2: 23 years

Option 3: 22.5 years

Option 4: 21.5 years

Question : The average age of Ram and Rahim is 10 years. The average age of Rahim and Ramesh is 15 years. The average age of Ram and Ramesh is 20 years. What is the age of the eldest of the three?

Option 1: 25 years

Option 2: 10 years

Option 3: 30 years

Option 4: 15 years