Select the option that is related to the third number in the same way as the second number is related to the first number.
13 : 17 : : 73 : ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e 79.
| Understanding | Application |
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The logic used here is: The second number is the next prime number. 13: 17 Next prime number after 13 = 17 |
Similarly, 73:? Next prime number after 73 = 79 Hence, option 2 is the correct answer. |