Sheila's birthday is in May. The date is a multiple of 6 and 9. Can you guess her birthday?
a. May 9thb. May 18thc. May 27thd. May 30th

Given :

Sheila's birthday is in May.

The date is a multiple of 6 and 9.

To do :

We have to find the birth date of Sheela.

Solution :

Multiples of 6 are 6,12,18,24,30....

Multiples of 9 are 9,18,27...

The common multiple of 6 and 9 is 18.

Therefore,

Sheila's birthday is on May 18th.