C. Reading value of a constant in a pure function

D. Both A and B

Q38: Pick the correct answer from the following options.

A. The price of Ether is determined by a software program

B. Always keeps on rising uniformly

C. Dependent upon the demand and supply of Ether in the market

D. None of these

Q39: What is true regarding the relationship between Ether and gas?

A. They do not have any relationship

B. Gas is a subunit of an Ether

C. The amount of Gas is used in the calculation of the transaction

cost in Ether

D. None of these

Q40: The requester has set a gasLimit of 30000 and runs a Solidity

smart contract. After a while, the transaction is executed;

however, the user does not get any Ether back in his account.

Why?

A. Because the transaction might be complex, and all the gas has

been consumed

B. Some Ethers would definitely come back to the user’s account,

he has to be patient

C. Because the transaction might have failed

D. None of these

Q41: Which of the following are used in finding the cost of the

transaction?

A. Gas Limit

B. Gas Price

C. Ether converted to gas

D. Both A and B