A grocery shop had a profit of ₹990 on Monday, a profit of ₹220 on Tuesday, a profit of ₹99 on Wednesday and a loss of ₹1210 on Thursday. Find his net profit or loss in 4 days.
A
₹220
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B
₹1210
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C
₹2519
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D
₹99
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Solution
The correct option is D₹99 The net profit/loss can be calculated as: =₹990+₹220+₹99−₹1210 =₹1210+(₹99−₹1210)
Using commutative property, we get =(₹1210−₹1210)+₹99 =₹99
As, 99>0 So the grocery shop has a net profit of ₹99 in 4 days.