SSC CGL Reasoning – Series – Level 3 · Challenge

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SSC CGL Reasoning – Series – Level 3 · Challenge – 7 questions, subject: General Intelligence & Reasoning. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.

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1.  
Next term1, 2, 6, 15, 31, ?

Correct Answer: A [56]

Explanation:

Differences 1, 4, 9, 16 (squares) → next 25: 31 + 25 = 56.

2.  
Next term2, 10, 4, 20, 8, 40, ?

Correct Answer: B [16]

Explanation:

Two series interleaved: 2, 4, 8, 16 (×2) and 10, 20, 40 (×2).

3.  
Next termBDG, EGJ, HJM, ?

Correct Answer: A [KMP]

Explanation:

Every letter moves +3: B→E→H→K, D→G→J→M, G→J→M→P.

4.  
Wrong termFind the wrong letter: A, C, F, J, O, T

Correct Answer: C [T]

Explanation:

Gaps should be +2, +3, +4, +5, +6: O(15) + 6 = 21 = U, so T is wrong.

5.  
Repeating patternFill the blanks so that a block of letters repeats:
x y _ z x _ y z x _ y z

Correct Answer: B [y y y]

Explanation:

The block 'xyyz' repeats three times: xyyz xyyz xyyz.

6.  
Next term2, 10, 30, 68, 130, ?

Correct Answer: C [222]

Explanation:

n³ + n for n = 1 … 5; next 6³ + 6 = 222 (216 is the cube alone).

7.  
Assertion–ReasonAssertion (A): The next term of 1, 1, 2, 3, 5, 8 is 13.
Reason (R): Each term after the second is the sum of the two terms before it.

Correct Answer: D [Both A and R are true and R explains A]

Explanation:

5 + 8 = 13; R is exactly the rule that gives A.

➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 General Intelligence & Reasoning book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-general-intelligence-reasoning

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