Question

A grocery store gives a 10$ gift card for every 25th customer and 20$ gift card for every 60th customer. Which customer will receive both gift cards

Answer 1

The 300th customer.

Explanation:

The one who is the Lowest Common Multiple of 25 and 60.

25 = 5*5.

60 = 2*2*3*5

So the LCM is 2*2*3*5*5 = 300.

Answer 2

Number 300 client

Explanation:

MCM of 25 and 60 is 300