The age of Shaurya and Kauravki is in the ratio 2:6. After 5 years, the ratio of their ages will become 6:8. Find the average of their ages after 10 years.
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let the ratio be 2x and 6x
after 5 years........
2x+5/6x+5=6/8
8(2x+5)=6(6x+5)
16x+40=36x+30
10=20x
x=1/2
there ages are 1 and 3
after 10 years there ages are 11 and 13
there average:-
11+13/2
12yrs
the average of there age is 12 years
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