Question : Directions: In the following question, a series is given with one number missing. Choose the correct alternative from the ones given that will complete the series. 7, 19, 42, 87, ?
Option 1: 136
Option 2: 176
Option 3: 172
Option 4: 216
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Correct Answer: 176
Solution : Given: 7, 19, 42, 87, ?
Let's apply the pattern – (7 × 2) + 5 = 14 + 5 = 19 (19 × 2) + 4 = 38 + 4 = 42 (42 × 2) + 3 = 84 + 3 = 87 (87 × 2) + 2 = 174 + 2 = 176
176 is the missing number. Hence, the second option is correct.
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