Question

Find the least number which when divided by 15,20,25 leaves a remainder of 7 in each case

Answer 1

The lcm of 15,20,25 is 300
So we add the reminder in this

$300 + 7$
=307
On dividing 307÷15
Reminder =7
On dividing 307÷20
reminder=7
On dividing 307÷25
reminder=7

So the number is 307