Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? ?, 11, 35, 107, 323
Option 1: 4
Option 2: 5
Option 3: 8
Option 4: 3
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Correct Answer: 3
Solution : Given: ?, 11, 35, 107, 323
Here, the pattern is as follows – (11 × 3) + 2 = 33 + 2 = 35; (35 × 3) + 2 = 105 + 2 = 107; (107 × 3) + 2 = 321 + 2 = 323 Let the missing number be A. Now, following the same pattern, we get – ⇒ (A × 3) + 2 = 11 ⇒ (A × 3) = 11 – 2 ⇒ (A × 3) = 9 ⇒ A = 9 ÷ 3 ⇒ A = 3
So, 3 is the missing number of the series. Hence, the fourth option is correct.
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Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 17, ?, 35, 53, 77, 107
Option 1: 25
Option 2: 21
Option 3: 23
Option 4: 28
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? $\frac{1}{2}, \frac{3}{4}, ?, \frac{5}{4}$
Option 1: 1
Option 2: $\frac{1}{4}$
Option 3: $\frac{3}{4}$
Option 4: $\frac{2}{3}$
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 25, 15, ?, −5, −15
Option 1: 20
Option 3: 10
Option 4: -1
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 3, 8, 15, 26, 39, ?
Option 1: 61
Option 2: 49
Option 3: 52
Option 4: 56
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 11, ?, 20, 29, 41, 56
Option 1: 16
Option 2: 13
Option 3: 15
Option 4: 14
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