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. 8 : 19 : : 5 : 13 : : 7 : ?

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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. 8 : 19 : : 5 : 13 : : 7 : ?

A21

B19

C15

D17

Answer:

D. 17

Read Explanation:

2nd number = (1st number x 2)+3