Question

Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 19 : 23 :: 11 : 13 :: 7 : ?

• A. 11
• B. 5
• C. 5
• D. 7

Answer 1

Answer:

A. 11

19 : 23 19 is a prime number, the next prime number after 19 is 23. 11 : 13 11 is a prime number, the next prime number after 11 is 13. Similarly, 7 is a prime number, the next prime number after is 11.