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प्रश्न
Fifteen less than 4 times a number is 9. Find the number.
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उत्तर
Let the required number be x
4 times the number = 4x
15 less than 4 times the number = 4x-15
According to the statement :
4x – 15 = 9
⇒ 4x = 9 + 15
⇒ 4x = 24
⇒ x = 6
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