hey guess
Sum of age rohan & ram be 80 , and sohan elder 20 years than mohan , find present ages ..?
Answers
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rohan + ram = 80
sohan = 20 + mohan
No relation, cannot be determined.
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Right Questions.
Sum of age rohan & ram be 80 , and Rohan elder 20 years than ram, find present ages ..?
Solution
Given :-
- Sum of rohan & ram age = 80
- sohan elder 20 years than mohan
Find :-
- Present age of both
Explanation
Let,
- Present age of Rohan = x years
- Present age of Ram = y years
Case 1.
==> x + y = 80___________(1)
Case 2.
==> x = y + 20
==> x - y = 20____________(2)
Sum of equ(1) & equ(2)
==> 2x = 80 + 20
==> 2x = 100
==> x = 100/2
==> x = 50
keep in equ(1)
==> 50 + y = 80
==> y = 80 - 50
==> y = 30
Hence
- Present age of rohan (x ) = 50 years
- Present age of Ram ( y) = 30 years
_________________
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