AND-NOT-AND
If P is the set of multiples of 2, Q is the set of multiples of 3, and R is the set of multiples of 7, the following integers will be in P and Q but not in R:
A=−54
B=−50
C=42
D=100
E=252
A=−54
B=−50
C=42
D=100
E=252
Correct answer:
![](/img/41/prime_1.jpg)
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You need to know the following knowledge to solve this word math problem:
- algebra
- sets
- prime numbers
- divisibility
- intersection of sets
- arithmetic
- division
- numbers
- integers
- natural numbers
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