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Test # 71


1.
If A, B, C are three sets and if
|A B C| = 100, |A| = 60, |B| = 50,
|C| = 50, |A B| = 10, |B C| = 15,
|C A| = 50, then |A B C| is equal to:

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hammer out (something) or hammer (something) out
to make an agreement or plan by discussion and debate
The union and managers were able to hammer out an agreement before midnight last night.

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