Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
43, 52, 47, ?, 51, 60, 55
Option 1: 56
Option 2: 53
Option 3: 49
Option 4: 57
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Correct Answer: 56
Solution :
Given:
43, 52, 47, ?, 51, 60, 55
In the above-given series, add 9, and subtract 5 alternately from the previous number to obtain the next number.
43 + 9 = 52; 52 – 5 = 47; 47 + 9 = 56; 56 – 5 = 51; 51 + 9 = 60; 60 – 5 = 55
So, 56 is the missing number of the series. Hence, the first option is correct.
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