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प्रश्न
Find a number whose one-third part exceeds its one-fifth part by 20.
बेरीज
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उत्तर
Let the number = x
According to the condition
`1/3"x" - 1/5"x" = 20`
`=> ("5x - 3x")/15 = 20` ...(LCM of 3, and 5 = 15)
`=> "2x"/15 = 20`
`=> "x" = (20 xx 15)/2`
`=> "x" = 150`
∴ Number = 150
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