3Years ago, the total age of Nanda and Kanta was 25 years, but moreYears after their age How many years will the sum be?
(1) + 2 + 25
(2) 2 + y + 25
(3) 2x + 2y + 25
(4) 2xy + 25
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Answer:
Let Current ages of nanda & kanta are a,b
25 years ago,
Their ages were a-25,b-25
After 5 years,
Their ages will be a+5,b+5
So,
5 years ago, sum of their ages=x
a-25+b-25=x
a+b= x+25+25 = x+50 ------(1)
After 5 years from now,
Sum of their ages will be
a+5+b+5
=( a+b)+10
= x+50+10 [from (1)]
=x+60
Therefore, Sum of their ages after 5 years will be x+60
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