The total age of Ganga, Yamna, Jamna, is 57 years. Seven years ago, the ratio of their ages was 3:4:5. What is the present age of Jamna?
a)
22 years
b)
21 years
c)
19 years
d)
None of these
The total age of Ganga, Yamna, Jamna, is 57 years. Seven years ago, the ratio of their ages was 3:4:5. What is the present age of Jamna?
a)
22 years
b)
21 years
c)
19 years
d)
None of these
Question ID - 53625 | SaraNextGen Top Answer
The total age of Ganga, Yamna, Jamna, is 57 years. Seven years ago, the ratio of their ages was 3:4:5. What is the present age of Jamna?
a)
22 years
b)
21 years
c)
19 years
d)
None of these
|
The total age of Ganga, Yamna, Jamna, is 57 years. Seven years ago, the ratio of their ages was 3:4:5. What is the present age of Jamna? |
|||||||
|
a) |
22 years |
b) |
21 years |
c) |
19 years |
d) |
None of these |
1 Answer
127 votes
Answer Key / Explanation : (a) -
Let 7 years ago ratio of their ages be 
years.
∴ (
⇒
⇒
∴ 
∴ Age of Jamna=
127 votes
Answer Link
127