I have attached question and need to write in context of business law.

Find faults with the following Negotiable Instruments as per the provisions of the Negotiable Instruments Act 1881: a) Promissory Note: Date: 12.02.2016 I acknowledge myself to be indebted to Mr. Rahim or order for the sum of $ 300 dollar to be paid seven days after his marriage with Ms. Amina. (Mr. Karim) b) Bill of Exchange: Mr. Shafique Pay to Mr. Rafique or order the sum of taka 10,000 with all the interest according to the rules till payment on demand. (Mr. Siddique) Managing Director RB Company c) Cheque: Mr. Rahim Date: 10. 12. 2015 AB Company Dhaka Pay to me or bearer the sum of taka $300 only one month after sight. (Mr. Alam)