B. It’s a mandate to deploy B before running them

C. It’s a mandate to deploy A before running them

D. All of the above

Q96: How can you instantiate a contract which has no constructor?

A. We must write a constructor in a contract in order to get it

instantiated

B. Default constructor would be used

C. Both A and B

D. None of these

Q97: Which among the following is the most well documented and

most widely used ERC standard?

A. ERC20

B. ERC721

C. ERC165

D. ERC223

Q98: Fungible tokens are used in which of the following?

A. Crypto currencies

B. Auction of gold

C. Transferring of Ethers from one account to another

D. Both A and C

Q99: Which of the following functions of ERC20 should we not use?

A. totalSupply

B. balanceOf

C. transfer

D. allowance

Q100: Why were ERC standards introduced?

A. To set the guidelines to write efficient smart contracts

B. So that all contracts would abide by a common standard