Question

When the pennies are put in groups of 2 there is one penny left over. When they are put in groups of three, five, and six there is also one penny left over. But when they are put in groups of seven there are no pennies left over. How many pennies could there be?

Answer 1

Answer: 7

you cant put seven in groups of 2 , 3 , 5 ,or 6 so theres 7 pennies