Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
3, 10, 24, ?, 73, 108
Option 1: 37
Option 2: 45
Option 3: 52
Option 4: 32
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Correct Answer: 45
Solution :
Given:
3, 10, 24, ?, 73, 108
Add the multiples of 7 to the previous term to obtain the next term.
3 + 7 = 10; 10 + 14 = 24; 24 + 21 = 45; 45 + 28 = 73; 73 + 35 = 108
So, 45 is the missing term in the given series. Hence, the second option is correct.
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