the ages of Suresh and Ramesh are in the ratio 4.7 five years from now the rotio of their ages Wil be 3.5 find their present a
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the ages of Suresh and Ramesh are in the ratio 4.7 five years from now the rotio of their ages Wil be 3.5 find their present a
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Answer:
LET THE AGE OF SURESH BE 4x
THEN, THE AGE OF RAMESH IS 7x
AFTER FIVE YEARS SURESH'S AGE = 4x + 5
AFTER FIVE YEARS RAMESH'S AGE = 7x + 5
RATIO OF THEIR AGES AFTER 5 YEARS = 3:5
THEN, ACCORDING TO THE QUESTION,
= 4x+5 / 7x + 5 = 3/5
= 5(4x + 5) = 3(7x + 5) [USING CROSS MULTIPLICATION]
= 20x + 25 = 21x + 15
= 25 - 15 = 21x + 20x
= 5 = 1x
= x = 5/1
x = 5
THEREFORE, SURESH'S AGE = 4x = 4x5 = 20
RAMESH'S AGE = 7x = 7x5 = 35