Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series. 6, 24, 54, 96, 150, ?
Option 1: 216
Option 2: 196
Option 3: 220
Option 4: 204
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Correct Answer: 216
Solution : Given: 6, 24, 54, 96, 150, ?
Multiply 6 with the square of consecutive numbers, starting from 1 to obtain the numbers of the series – 6 × (1)2 = 6 × 1 = 6; 6 × (2)2 = 6 × 4 = 24; 6 × (3)2 = 6 × 9 = 54; 6 × (4)2 = 6 × 16 = 96; 6 × (5)2 = 6 × 25 = 150; 6 × (6)2 = 6 × 36 = 216
So, 216 is the missing number. Hence, the first option is correct.
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Option 1: 24
Option 2: 21
Option 3: 16
Option 4: 18
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Option 1: 38
Option 2: 31
Option 3: 44
Option 4: 52
Question : Directions: Which number from among the given options can replace the question mark (?) in the following series? 361, 306, ?, 208, 165, 126
Option 1: 235
Option 2: 216
Option 3: 298
Option 4: 255
Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series. 84, 90, 91, 99, ?, 108, 105
Option 1: 99
Option 2: 96
Option 3: 95
Option 4: 98
Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series. 13, 24, 46, 90, 178, ?
Option 1: 358
Option 2: 352
Option 3: 354
Option 4: 356
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