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Question
Out of 500 oranges in a box, `3/25` are rotten and `1/5` are kept for some guests. How many oranges are left in the box?
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Solution
Number of oranges = 500
Bad oranges = `3/25` of 500 = `3/25xx500` = 60
Kept for guests = `1/5` of 500
= `1/5xx500` = 100
∴ No. of oranges which can be used
= 500 − 60 − 100 = 500 − 160 = 340.
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