One half od a number is less than 80%of same number by 249.what is 20% of that number?
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No. be x
half of the no = x/2
80% of the No: 80/100xX=4/5x
x/2+249=4x/5
249=4x/5-x/2
multiply by 10
2490 = 8x-5x
2490 = 3x
x = 2490/3 = 830
No.is 830.
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