✔ Correct Answer: C. 75
The correct answer to the question “The average age of 5 members of a family is 21. If the age of grandfather is included, the average age is increased by 9 years. What is the age of grandfather?” is 75. This question belongs to Mathematics. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.
Related MCQs
complete the series: 4.8.9.13.14.18.____?Find out the wrong number in the series : 1, 1, 2, 6, 24, 96, 720Find the average of the series : 312, 162, 132, 142 and 122?Find the Missing Number in the series 1, 6, 13, 22, 33 ?In a school, 40 % of the students play football and 50 % play cricket. If 18 % of the students play neither football nor cricket, the percentage of students playing both is____?