Match the following: List-I List-II a. At the beginning of each month 1. 5 and 1/2 month b. At the end of each month quarter 2. 6 and 1/2 month c. At the beginning of each quarter 3. 4 and 1/2 month d. At the end of each 4. 7 and 1/2 month

The correct answer is: A. a-2, b-1, c-4, d-3.

Here is a brief explanation of each option:

• Option A: a-2, b-1, c-4, d-3. This option is correct because it matches the given information. The beginning of each month is 1 month after the beginning of the previous month. The end of each month is 1 month after the end of the previous month. The beginning of each quarter is 3 months after the beginning of the previous quarter. The end of each quarter is 3 months after the end of the previous quarter.
• Option B: a-4, b-3, c-2, d-1. This option is incorrect because it does not match the given information. The beginning of each month is 1 month after the beginning of the previous month. The end of each month is 1 month after the end of the previous month. The beginning of each quarter is 3 months after the beginning of the previous quarter. The end of each quarter is 3 months after the end of the previous quarter.
• Option C: a-4, b-3, c-1, d-2. This option is incorrect because it does not match the given information. The beginning of each month is 1 month after the beginning of the previous month. The end of each month is 1 month after the end of the previous month. The beginning of each quarter is 3 months after the beginning of the previous quarter. The end of each quarter is 3 months after the end of the previous quarter.
• Option D: a-3, b-4, c-1, d-2. This option is incorrect because it does not match the given information. The beginning of each month is 1 month after the beginning of the previous month. The end of each month is 1 month after the end of the previous month. The beginning of each quarter is 3 months after the beginning of the previous quarter. The end of each quarter is 3 months after the end of the previous quarter.