Question : The product of all the prime numbers between 80 and 90 is:
Option 1: 83
Option 2: 89
Option 3: 7387
Option 4: 183
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Correct Answer: 7387
Solution : There are two prime numbers between 80 and 90. The first prime number is 83. The second prime number is 89. Now, 83 × 89 = 7387 Hence, the correct answer is 7387.
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Question : The product of two consecutive prime numbers is 7387. What is the difference of the two numbers?
Option 1: 3
Option 2: 6
Option 3: 2
Option 4: 4
Question : The sum of all prime numbers between 58 and 68 is:
Option 1: 179
Option 2: 178
Option 3: 187
Question : If the sum of squares of two real numbers is 12 and the product of the numbers is 4, find the difference between the numbers.
Option 1: 4
Option 2: 8
Option 3: 1
Option 4: 2
Question : What is the average of all prime numbers between 30 and 50?
Option 1: 36.5
Option 2: 39.8
Option 3: 38.5
Option 4: 34.2
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