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Sálim bought 10 school bags altogether f...

Sálim bought 10 school bags altogether for `₹ 1100` each, he got 1 bag free. Then what wảs the áverage cost of 1 bag?

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Total number of bags `=10+1=11` Total cost `=110 xx 10=₹ 1100`
The average cost of 1 bag =(1100)/(11)=₹ 100
The average cost of `1,bag` is 100 rupees
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