हिंदी

After 16 years, Seema will be three times as old as she is now. Find her present age. - Mathematics

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प्रश्न

After 16 years, Seema will be three times as old as she is now. Find her present age.

योग

उत्तर

Let the present age of Seema be x years.
After 16 years:
Seema's age = x + 16

After 16 years, her age becomes thrice of her age now
∴ x + 16 = 3x
or, 16 = 3x − x [Transposing x to the R.H.S.]
or, 2x = 16
or, `(2x)/2=16/2` [Dividing both the sides by 2]
or, x = 8 years

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अध्याय 9: Linear Equation in One Variable - Test Paper 9 [पृष्ठ १४६]

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आरएस अग्रवाल Mathematics [English] Class 6
अध्याय 9 Linear Equation in One Variable
Test Paper 9 | Q 10 | पृष्ठ १४६

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