The difference of the present age of a and b is 10 years. If 8 years back their ages were in the ratio of 4:3, what is the average age of a and b at present?
(a) 36 years
(b)38 years
(c)41 years
(d)43 years
Answers
Answered by
0
the average age of a and b is (D) 43 years
Answered by
0
The average age of a and b is 33 yrs.
Step-by-step explanation:
Since we have given that
------------------------(1)
8 years ago,
Age of a was =
Age of b was =
Ratio of a to b = 4:3
According to question, we get that
From eq(1) and eq(2), we get that
So, the age of b would be
So, the average age of a and b would be
Hence, the average age of a and b is 33 yrs.
# learn more:
The total of the ages of Jayant, Prem and
Saransh is 93 years. Ten years ago, the ratio of
their ages was 2 : 3 : 4. What is the present age
of Saransh?
(a) 44 years (b) 36 years
(c) 33 years (d) 38 years
https://brainly.in/question/8407848
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