Question : Directions: In the following question, select the missing number from the given series.
46, 93, 187, 375, ?
Option 1: 751
Option 2: 749
Option 3: 761
Option 4: 750
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Correct Answer: 751
Solution :
Given:
46, 93, 187, 375, ?
Multiply the previous term by 2, and then add 1 to the resultant, to obtain the next term in the series –
(46 × 2) + 1 = 92 + 1 = 93; (93 × 2) + 1 = 186 + 1 = 187; (187 × 2) + 1 = 374 + 1 = 375; (375 × 2) + 1 = 750 + 1 = 751
So, 751 is the missing term in the given series. Hence, the first option is correct.
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