The correct option is
D First day: Monday, 10 August; Last day: Saturday, 15 August
We know that Monday, Tuesday, Wednesday, Thursday, and Friday are the weekdays of the week.
The date for fee payment is marked incorrectly on the first weekday of the seventh month.
As per the given calendar, the first weekday is on the 1st, which is a Monday in the month of July.
The correct date for fee payment is 5 weeks and 5 days after the marked date.
We know that 7 days make 1 week.
So, 5 weeks and 5 days
=7+7+7+7+7+5
= 40 days
So, the correct opening date for the payment of fees should be 40 days after the 1st of July.
So, the correct opening date for fee payment is Monday, 10 August.
Since the fee is to be paid within 5 days from the opening date, 5 days from 10th August will be 15th August.
So, the last date for fee payment will be Saturday, 15 August.