Question

12. Mary has a dance class every 2nd day and painting class every 3rd day. On which of the day will she

have both the classes​

Answer 1

Answer:

6th day

Step-by-step explanation:

A/q , let's imagine from the first day of month

her dance classes are on 2,4 and 6 ( every second day)

painting classes are on 3rd and 6th ( every third day)

•°• common day = 6th. ans

Answer 2

6th day she will have both the classes.

To know the day when Mary has both the classes,

find LCM of 2 &3

Multiples of 2 is 2, 4, 6, 8.....

Multiples of 3 is 3, 6, 9, 12.....

The LCM of 2 and 3 is 6

Hence, On 6th day Mary will have both the classes.

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