The price of sugar having gone down by 10%, sharad can buy 6.2 kg more for Rs. 279. The difference between the
original and the reduced price(per kg ) is :
Let original price = Rs. `x` per kg. Reduced price = Rs. `((90x)/(100))` per kg
`:.` `(279)/((90x)/(100)) - 279/x = 6.2 hArr (27900)/(90x) - 279/x` = 6.2
`hArr 27900 - 25110 = 6.2 xx 90x`
`hArr 558x = 2790 hArr x = 5`
`:.` Required difference = 10% of Rs. 5 = Re. 0.50
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