Calculate Ram Present Age
Ten years ago Ram was thrice as old as Sham was but 10 years hence; he will be only twice as old. What is Ram's present age?
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Let us assume Ram's present age is x years and Sham's present year is y years.
Given:
Ten years ago,
x - 10 = 3 (y - 10)
x - 10 = 3y - 30
3y - x = 20 -----------1
Also given:
10 years hence,
x + 10 = 2 ( y + 10)
x + 10 = 2y + 20
x - 2y = 10 -----------2
Adding equation 1 and euation 2
y = 30
therefore, x = 3y - 20 = (3 * 30) - 20 = 70 years
The present age of Ram is 70 years.
Given:
Ten years ago,
x - 10 = 3 (y - 10)
x - 10 = 3y - 30
3y - x = 20 -----------1
Also given:
10 years hence,
x + 10 = 2 ( y + 10)
x + 10 = 2y + 20
x - 2y = 10 -----------2
Adding equation 1 and euation 2
y = 30
therefore, x = 3y - 20 = (3 * 30) - 20 = 70 years
The present age of Ram is 70 years.
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