alleryFind the next term: 2, 6, 12, 20, 30, ?
- 36
- 40
- 42
- 44
Show answer and solution
Correct answer: C. 42
**Differences:** 4, 6, 8, 10 (increasing by 2).
Next difference = 12. So 30 + 12 = 42. Formula: n(n+1) for n = 1..6.
Agniveer Army Series Coding Relations — practice questions
Explore 24 free Series Coding Relations questions in Agniveer Army Reasoning. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 1–24 of 24.
Find the next term: 2, 6, 12, 20, 30, ?Read the answer and worked solution →Find the next term: 3, 9, 27, 81, ?Read the answer and worked solution →Find the missing number: 1, 4, 9, 16, ?, 36Read the answer and worked solution →Find the next term: 8, 13, 21, 34, ?Read the answer and worked solution →Find the missing letter: A, C, F, J, ?Read the answer and worked solution →Find the next term: AZ, BY, CX, DW, ?Read the answer and worked solution →Find the missing pair: BD, CE, DF, EG, ?Read the answer and worked solution →If CAT is coded as DBU, then DOG is coded asRead the answer and worked solution →If 'PEN' is written as 'QFO', then 'BOOK' is written asRead the answer and worked solution →In a code, BAT = 23, then RAT =Read the answer and worked solution →In a code, ROAD = 18+15+1+4 = 38, RAIN =Read the answer and worked solution →Pointing to a photograph, a man said, 'She is the daughter of my mother's only son.' Who is the woman?Read the answer and worked solution →A is B's father. C is B's sister. D is C's mother. What is the relation of A to D?Read the answer and worked solution →If P is the brother of Q, Q is the sister of R, and R is the father of S, then P is S'sRead the answer and worked solution →Sita is Ram's wife. Ram is Mohan's son. Mohan is Hari's brother. How is Hari related to Sita?Read the answer and worked solution →Ravi walks 5 km north, then turns right and walks 3 km, then turns right and walks 5 km. How far is he from the starting point?Read the answer and worked solution →A man walks 10 m east, then 6 m north, then 4 m west, then 6 m south. Where is he now?Read the answer and worked solution →Facing north, a man turns 90 degrees clockwise, then 180 degrees clockwise, then 45 degrees anticlockwise. He is now facingRead the answer and worked solution →Hammer : Carpenter :: Scalpel : ?Read the answer and worked solution →Find the odd one out: Apple, Mango, Banana, CarrotRead the answer and worked solution →Find the odd one out: Lion, Tiger, Leopard, ElephantRead the answer and worked solution →Statements: All boys are tall. Some tall are students. Conclusions: I. Some boys are students. II. All students are tall. Which conclusion(s) follow?Read the answer and worked solution →Statements: All flowers are red. All red are bright. Conclusion: All flowers are bright. Does the conclusion follow?Read the answer and worked solution →Statement: 'If you study hard, you will pass.' You did not pass. What can be inferred?Read the answer and worked solution →
Worked practice questions
Find the next term: 3, 9, 27, 81, ?
- 162
- 243
- 324
- 405
Show answer and solution
Correct answer: B. 243
Geometric progression with ratio 3. Next term = 81 x 3 = 243.
Find the missing number: 1, 4, 9, 16, ?, 36
- 20
- 24
- 25
- 30
Show answer and solution
Correct answer: C. 25
Perfect squares: 1, 4, 9, 16, 25, 36. Missing = 5^2 = 25.
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