Question

find the greatest number of four digits which is divisible by 15,20and25​

Answer 1

we have to first find the lcm of 15,20,and 25

so lcm=300

greatest 4 digit number is 9999

so we will divide 9999 by 300

we will get 9999/300=33.33......

we will take 33

then we will multiply lcm with the number

we will get 300×33=9900

so 9900 is the answer i hope it will help you