Question

Greatest 5 digit no. exactly divisible by 12,15and 4?

Answer 1

Solution'-

Greatest 5 digits no.=99999

LCM of 12,15 and 4 =60

Now,

Dividing 99999 by the LCM

99999/60=1666.65

Multiplying 1666 by LCM

=1666×60

=99960

Now check it

99960/12=8330

99960/15=6664

99960/4=24990

Hence 99960 is the greatest 5 digit no. which is exactly divisible by 12,15 and 4

Hope it helped