Journal Entries for the Transactions:
1. March 5: Sold goods to Ramesh Rs. 50,000 less 10% trade discount
2. March 7: Ramesh returned goods of Rs. 10,000
3. March 15: Received from Ramesh the full settlement under a cash discount of 2%

1. March 5: Sold goods to Ramesh Rs. 50,000 less 10% trade discount
In this transaction, goods are sold to Ramesh with a trade discount of 10%. The journal entry for this transaction is as follows:

Date | Particulars | Debit | Credit
------------------------------------------------------------------------
March 5 | Ramesh A/c | | 45,000
Sales A/c | 50,000 |
Trade Discount A/c | 5,000 |

Explanation:
- Ramesh A/c is debited with Rs. 45,000, which represents the net amount after deducting the trade discount.
- Sales A/c is credited with Rs. 50,000, which represents the gross amount of the sale.
- Trade Discount A/c is credited with Rs. 5,000, which represents the amount of the trade discount.

2. March 7: Ramesh returned goods of Rs. 10,000
In this transaction, Ramesh returned goods worth Rs. 10,000. The journal entry for this transaction is as follows:

Date | Particulars | Debit | Credit
------------------------------------------------------------------------
March 7 | Ramesh A/c | 10,000 |
Sales Return A/c | | 10,000

Explanation:
- Ramesh A/c is debited with Rs. 10,000, which represents the goods returned by Ramesh.
- Sales Return A/c is credited with Rs. 10,000, which represents the value of the goods returned.

3. March 15: Received from Ramesh the full settlement under a cash discount of 2%
In this transaction, the full settlement is received from Ramesh with a cash discount of 2%. The journal entry for this transaction is as follows:

Date | Particulars | Debit | Credit
------------------------------------------------------------------------
March 15 | Cash A/c | 44,100 |
Ramesh A/c | | 45,000
Cash Discount A/c | 900 |

Explanation:
- Cash A/c is debited with Rs. 44,100, which represents the amount received from Ramesh after deducting the cash discount.
- Ramesh A/c is credited with Rs. 45,000, which represents the original amount due from Ramesh.
- Cash Discount A/c is credited with Rs. 900, which represents the cash discount given to Ramesh.

Overall, these journal entries help in recording the sales, sales returns, and cash received from Ramesh. The trade discount and cash discount are accounted for separately to track the discounts given to the customer.