Question : Directions: In the following question, select the missing number of the given series. 144, 140, 132, 116, 84, ?
Option 1: 30
Option 2: 20
Option 3: 29
Option 4: 25
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Correct Answer: 20
Solution : Given: 144, 140, 132, 116, 84, ?
The pattern is as follows – 144 – 4 = 140; 140 – (4 × 2) = 140 – 8 = 132; 132 – (8 × 2) = 132 – 16 = 116; 116 – (16 × 2) = 116 – 32 = 84; 84 – (32 × 2) = 84 – 64 = 20
So, the missing number of the series is 20. Hence, the second option is correct.
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Question : Directions: In the following question, select the missing number of the given series. 17, 19, 23, 29, 31, ?
Option 2: 47
Option 3: 40
Option 4: 37
Question : Directions: In the following question, select the missing number of the given series. 9, 18, 36, 72, 144, ?
Option 1: 310
Option 2: 280
Option 3: 288
Option 4: 290
Question : Directions: In the following question, select the missing number of the given series. 55, 38, 21, 4, –13, ?
Option 1: –30
Option 2: –20
Option 3: –28
Option 4: –18
Question : Directions: In the following question, select the missing number of the given series. 5, 9, 17, 33, 65, ?
Option 1: 140
Option 2: 130
Option 3: 129
Option 4: 128
Question : Directions: In the following question, select the missing number of the given series. 500, 497, 488, 461, 380, ?
Option 1: 130
Option 2: 137
Option 3: 140
Option 4: 141
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