A man bought certain number of oranges; out of which 13% were found rotting. He gave 75% of the remaining in charity and still had 522 oranges left. Find how many had he bought?
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let no.of oranges bought=100
then percentage of oranges rotten=13%
then remaining oranges=100-13% of 100 i.e.=87
percentage given to charity out of left oranges=75% of 87 i.e.=21.75
by unitary method 100 - 21.75 then if 522 are left then no.of oranges bought=522*100/21.75 i.e.=2400
then percentage of oranges rotten=13%
then remaining oranges=100-13% of 100 i.e.=87
percentage given to charity out of left oranges=75% of 87 i.e.=21.75
by unitary method 100 - 21.75 then if 522 are left then no.of oranges bought=522*100/21.75 i.e.=2400
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