Question : Directions: Select the option that will replace the question mark (?) in the given series.
45, 35, 27, 21, 17, ?
Option 1: 14
Option 2: 13
Option 3: 15
Option 4: 16
Answer (1)
20th Jan, 2024
Correct Answer: 15
Solution :
Given:
45, 35, 27, 21, 17, ?
Subtract the even numbers in descending order starting from 10.
45 – 10 = 35; 35 – 8 = 27; 27 – 6 = 21; 21 – 4 = 17; 17 – 2 = 15
So, 15 is the missing number of the series. Hence, the third option is correct.
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