Which number should replace the question mark?

Which number should replace the question mark? Author: Sumbul Azeem
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119
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1

Calculate the number 1721

NUMBERMANIA: Calculate the number 1721 using numbers [2, 7, 1, 6, 41, 745] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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0
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10

CINEMANIA: Guess the movie title

Film was made in 1979.
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0
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10

Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
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Correct Answers: 
10
Points: 
2
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