Question

Varsha joined a three week singing classes that got over on 12 November. when did the classes begin​

Answer 1

The classes begin on 22th Oct.

Step-by-step explanation:

Using unitary method

Number of days in 1 week= 7

Number of days in 3 weeks=$7\times 3$

Number of days in 3 weeks=21 days

Varsha classes over on 12 November.

Total number of days in Oct=31 days

Subtract 21 days from date on which classes over  to get the date on which Varsha classes begin.

Subtract 12 days from 12 Nov and then subtract 9 days from 31 Oct.

Then, we get

Varsha classes begin on 22th Oct.

Hence, the classes begin on 22th Oct.

#Learns more:

https://brainly.in/question/14075963

Answer 2

is a great fit for the question