Mathematics · Number System
Consider all prime numbers between 1 and 100. Which of the following statements is/are correct? a. A number that is one greater than a multiple of 5 has a unit digit of 3 or 6. b. The sum of all such prime numbers which are one greater than a multiple of 5 is 215. c. The sum of all such prime numbers which are one greater than a multiple of 5 and also one greater than a multiple of 6 is 92.
- 1b and c✓
- 2a and c
- 3a and b
- 4b only
Correct answer
b and c
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