Narayanganj Higher Secondary 2014 P5

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samiul_samin
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Narayanganj Higher Secondary 2014 P5

Unread post by samiul_samin » Mon Feb 18, 2019 7:54 pm

Every participants of a picnic are given a lottery coupon. The coupons are numbered from $1$ and consequently. The winner’s coupon number, and the all coupons number are added and the sum is $2610$. What is the number of coupon which was winner?

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