Question : Directions: Which number should replace the question mark (?) in the following number series? 39, 42, 48, 57, 69, ?, 102
Option 1: 87
Option 2: 79
Option 3: 81
Option 4: 84
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Correct Answer: 84
Solution : Given: 39, 42, 48, 57, 69, ?, 102
Add consecutive multiples of 3 in the series to get the next term. 39 + 3 = 42, 42 + 6 = 48, 48 + 9 = 57, 57 + 12 = 69, 69 + 15 = 84, 84 + 18 = 102
So, the required missing term is 84. 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? 82, 79, 71, ?, 60, 57, 49
Option 1: 61
Option 2: 63
Option 3: 68
Option 4: 62
Question : Directions: Which number should replace the question mark (?) in the following number series? 49, 54, 44, 59, ?, 64, 34
Option 1: 51
Option 2: 36
Option 3: 39
Option 4: 44
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 67, 78, 71, 82, 75, 86, ?
Option 1: 97
Option 2: 92
Option 3: 84
Option 4: 79
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 3, 12, ?, 39, 57, 78
Option 1: 19
Option 2: 22
Option 3: 20
Option 4: 24
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 18, 20, 22, 27, 32, 39, ?
Option 1: 47
Option 2: 42
Option 3: 46
Option 4: 45
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