Click the green button to start and enter the correct answers below

Unless specified, apply operations to the answer to the previous question to create a chain. Use the hints and skip around to open up new columns. For decimal answers, use a leading zero. Good luck

#4: Add the digits of that answer together and then multiply by 2.

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#5: Take three-quarters of that.

Type '6' for question #11!

#6: Subtract 17.9 from that.

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#7: Multiply that by 300.

Type '10' for question #21!

#8: Add 3939.

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#9: Subtract 3456.

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#10: Divide that by three to get...!

Key A for Question #40: 10

Next Operation:

Value:

Bonus Clues:

#11: Use the bonus clue from Question #5.

This column involves money.

#12: Add to that the number of nickels in a dime.

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#13: Divide by the number of dimes in $1.60.

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#14: Add to that the amount of change you would get for paying $10 for a $7.75 item.

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#15: Subtract the value in dollars of nine quarters.

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#16: Multiply that by the number of Canadian loonies whose value equals that of one toonie.

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#17: Multiply by the number of nickels in $2.10.

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#18: Add the number of farthings that used to make up an English penny.

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#19: Add the number of pennies in a single standard roll.

This answer will be useful for the last column!

#20: If your answer to #19 is the price of an item and 12.5% tax is applied, what is the total cost?

Key B for Question #40: 01

Next Operation:

Value:

Bonus Clues:

#21: Use the bonus clue from Question #7.

This column involves time.

#22: Add to that the number of seconds in a half-minute.

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#23: Add the number of years that made up the 2nd Century.

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#24: Divide by the number of minutes it takes to get from 1:42 pm to 2:10 pm.

This answer will be useful in the last column!

#25: Divide by the number of decades in ten millennia.

Type 'VIII' for question #31!

#26: Multiply by the time in minutes it takes for a full one-hour hourglass to empty.

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#27: Add the time in seconds it takes for that hourglass to empty again from full when flipped.

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#28: Subtract from that the number of hours in a week.

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#29: Subtract from that the total number of seconds you were given to do this quiz.

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#30: If the answer to #29 is a number of days, then how many complete fortnights are there in that period of time?

Key C for Question #40: 11

Next Operation:

Value:

Bonus Clues:

#31: Use the bonus clue from Question #25.

For this column, all answers must be in Roman Numerals (except your answer to #40)!

#32: Add I.

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#33: Divide that by III.

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#34: Multiply by your answer to your answer to Question #XXIV.

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#35: Multiply by the square root of XVI.

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#36: Add your answer to your answer to Question #XIX.

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#37: Divide by IV.

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#38: Add the largest number out of all previous correct responses in this quiz.

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#39: What is the remainder after dividing that number by XVI?

Key D for Question #40: 00

#40: If you write the four hidden keys of this quiz out in order from left to right, you get an eight-digit number in binary. What is its corresponding decimal expansion?