Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 1, 5, 21, 57, ?, 221
Option 1: 96
Option 2: 108
Option 3: 121
Option 4: 126
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Correct Answer: 121
Solution : Given: 1, 5, 21, 57, ?, 221
Add the square of the consecutive even numbers to the previous term to obtain the next term. 1 + 22 = 5, 5 + 42 = 21, 21 + 62 = 57, 57 + 82 = 121, 121 + 102 = 221
So, 121 is the missing term in the given series. Hence, the third option is correct.
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Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 826, 480, 346, 134, ?
Option 1: 61
Option 2: 212
Option 3: 126
Option 4: 83
Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 5, 10, 20, 40, 80, ?
Option 1: 120
Option 2: 140
Option 3: 150
Option 4: 160
Question : Directions: A series is given below with one term missing. Choose the correct alternative from the given ones that will complete the series. EG, JL, OQ, ?
Option 1: TV
Option 2: TU
Option 3: VT
Option 4: UT
Question : Directions: A series is given below with one term missing. Choose the correct alternative from the given ones that will complete the series. BRV, FVZ, JZD, ?
Option 1: MHN
Option 2: MDN
Option 3: NDH
Option 4: HDM
Question : Directions: A series is given below with one term missing. Choose the correct alternative from the given ones that will complete the series. ABC, EXG, ITK, ?
Option 1: MPO
Option 2: NQL
Option 3: MPL
Option 4: NQO
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