Question

Three years ago average age of Mr. Malik's family of 5 members was 27 years. This year one of his nephews joined their family, but the average age of his family is still 27 years. What is the age of his
nephew?
(a) 10 years
(b) 12 years
(c) 14 years
(d) 27 years​

Answer 1

Answer:

27=x/5

27=x+3+y/6

x=27*5=135

sum of ages 3yrs ago =135

sum of ages this year=135+3=138 +nephews age(y)

27=138+y/6

162=138+y

y=24

Step-by-step explanation:

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Answer 2

Answer:

correct answer is 12 because sum of there age is 135 so after division by 5 it comes 27

now their are 6 member and 6*27 is 142 and it comes if we add 27 to 135