At times you'll get bonus hints. Use these to open up new chains in the quiz; you'll need to work on many fronts. Unless stated, operations should be performed on the answer to the question before.

#4: Add together the digits of the previous answer.

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#5: Add 33.

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#6: Round to the nearest thousand.

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#7: Subtract the answer to #13.

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#8: Multiply by -0.4.

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#9: Take the square root of that.

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#10: Take the absolute value of that.

Key A for #30: 140

#11: Use the bonus hint from #2.

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#12: Multiply by the number of pieces on a chessboard at the beginning of a standard chess game.

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#13: Add the number of the 28th year of the 12th century.

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#14: Divide by the number of cents in twenty-five pennies.

Key B for #30: 50

#15: If 'R' is the nth letter of the alphabet, subtract n from the previous answer.

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Next Operation:

Answer:

Bonus Hint:

#16: Subtract the number of digits in ten million.

Enter 'a' in #21!

#17: Subtract the temperature at which Fahrenheit is equal to Celsius.

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#18: Subtract twice that much from that number.

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#19: Add the greatest common divisor of the answers to #8 and #28.

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#20: Divide by the number of sides in a rhombus.

Key C for #30: 2

#21: Use the bonus hint from #16.

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#22: Add the atomic number for Argon.

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#23: Let a be the number of donuts in twelve dozen. Then, what is #22?

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#24: Divide by the number of white stripes in the American Flag.

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#25: Add the max of your answers to #7, #12, and #18.

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#26: Divide by the number of teaspoons in a tablespoon.

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#27: Add the first natural number containing ten letters in its english spelling.

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#28: Add to that the sum of your answers to #4 and #15.

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#29: If the answer to #28 was an arc measured in degrees, how many times would you have to repeat that arc, traversing a perfect circle, to reach the starting point again exactly?

Key D for #30: 120

#30: Give the average of the four Keys hidden throughout the quiz!

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