Question
PSLE
Vaidev has some puffs. If he gives each of his friends 5 puffs, there is no remainder. If he gives each of them 2 puffs instead, he will have 15 left. How many puffs does Vaidev have?
2 m

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PSLE
Vaidev has some puffs. If he gives each of his friends 5 puffs, there is no remainder. If he gives each of them 2 puffs instead, he will have 15 left. How many puffs does Vaidev have?