Question : Directions: Which of the following four options will replace the question mark (?) in the following series? 48, 68, ?, 138, 188, 208
Option 1: 118
Option 2: 88
Option 3: 128
Option 4: 108
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Correct Answer: 118
Solution : Given: 48, 68, ?, 138, 188, 208
Add 20 and 50 alternatively to the previous numbers to obtain the next numbers of the series – 48 + 20 = 68; 68 + 50 = 118; 118 + 20 = 138; 138 + 50 = 188; 188 + 20 = 208
So, 118 is the missing number of the series. Hence, the first option is correct.
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Question : Directions: Which of the following four options will replace the question mark (?) in the following series? 12, 36, ?, 102, 100, 300
Option 1: 68
Option 2: 34
Option 3: 52
Option 4: 76
Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series. 136, 135, 137, 136, 138, 137, ?
Option 1: 136
Option 2: 140
Option 3: 138
Option 4: 139
Question : Directions: Which of the following four options can replace the question mark (?) in the following series? 66, 87, 110, ?, 162, 191
Option 1: 120
Option 2: 125
Option 3: 146
Option 4: 135
Question : Directions: Which of the following four options will replace the question mark (?) in the following series? 8, 16, ?, 38, 41, 82
Option 1: 21
Option 2: 31
Option 3: 28
Option 4: 19
Question : Directions: Which of the following four options will replace the question mark (?) in the following series? 9, 45, ?, 540, 1080
Option 1: 180
Option 2: 240
Option 3: 300
Option 4: 360
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