Question : Directions: What should come in place of (X) in the given series?
4, 11, 25, 46, 74, (X)
Option 1: 105
Option 2: 109
Option 3: 111
Option 4: 115
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Correct Answer: 109
Solution :
Given:
4, 11, 25, 46, 74, (X)
Add the consecutive multiples of 7 to the previous numbers, to obtain the next numbers of the series.
4 + 7 = 11; 11 + 14 = 25; 25 + 21 = 46; 46 + 28 = 74; 74 + 35 = 109
So, 109 is the required number of the given series. Hence, the second option is correct.
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