Find Missing Number

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15




Similar Riddles

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

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You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

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In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
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An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

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Take away the whole and some still remain. What is it?

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Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

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An express train takes 3 seconds to enter the tunnel which is 1 km long.
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If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

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Using Only Five 5's and any mathematical operator make sum as 37

Math Magic Possible

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Amazing Facts

Crossword

The day before the 1996 U.S. presidential election, the NYT Crossword contained the clue “Lead story in tomorrow’s newspaper,” the puzzle was built so that both electoral outcomes were correct answers, requiring 7 other clues to have dual responses.