213
Question
Twenty years from now, Arjun will be three times as old as he is now. His present age is
Twenty years from now, Arjun will be three times as old as he is now. His present age is
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Solution
The correct option is B 10
Let Arjun be x years old now.
After 20 years, his age will be x+20 years.
According to question,
x+20=3x.
⇒3x−x=20
⇒2x=20
⇒x=202=10
Therefore, Arjun's present age is 10 years.
Let Arjun be x years old now.
After 20 years, his age will be x+20 years.
According to question,
x+20=3x.
⇒3x−x=20
⇒2x=20
⇒x=202=10
Therefore, Arjun's present age is 10 years.
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