1.

?% of 5600-28% of 3500=1988A. 58B. 55C. 51D. 53

Answer» Correct Answer - D
`(5600xx?)/(100)-(3500xx28)/(100)=1988`
`rArr 56xx?-980=1988`
`rArr 56xx?=1988+980=2968`
`:. ?=(2968)/(56)=53`


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