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
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Correct Answer: –30
Solution : Given: 55, 38, 21, 4, –13, ?
Subtract 17 from the previous number, to obtain the next number of the series – 55 – 17 = 38; 38 – 17 = 21; 21 – 17 = 4; 4 – 17 = –13; –13 – 17 = –30
So, –30 is the missing number of the series. Hence, the first option is correct.
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Question : Directions: In the following question, select the missing number of the given series. 44, 20, –4, ?, –52, –76
Option 1: –28
Option 2: –10
Option 3: –20
Option 4: 0
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Option 1: –40
Option 2: –133
Option 3: –130
Option 4: –150
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Option 1: 20
Option 2: 13
Option 3: 18
Option 4: 24
Question : Directions: In the following question, select the missing number of the given series. 43, 42, 39, 34, 27, ?
Option 1: 18
Option 2: 21
Option 3: 16
Option 4: 20
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Option 2: –30
Option 3: –50
Option 4: –37
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