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प्रश्न
A number is increased by 12 and the new number obtained is multiplied by 5. If the resulting number is 95, find the original number.
उत्तर
Let the original number = x
According to the sum,
(x + 12) × 5 = 95
⇒ 5x + 60 = 95
⇒ 5x = 95 - 60
⇒ 5x = 35
⇒ x = `35/5 = 7`
∴ The original number = 7
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