Question : Directions: From the given options, choose the correct one that will replace the question mark (?) in the following series.
83, 74, 66, 59, 53, ?, 44, 41
Option 1: 42
Option 2: 50
Option 3: 44
Option 4: 48
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Correct Answer: 48
Solution :
Given:
83, 74, 66, 59, 53, ?, 44, 41
Subtract the consecutive numbers in the reverse order from the previous term to obtain the next term.
83 – 9 = 74; 74 – 8 = 66; 66 – 7 = 59; 59 – 6 = 53; 53 – 5 = 48; 48 – 4 = 44; 44 – 3 = 41
So, 48 is the missing term in the given series. Hence, the fourth option is correct.
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