SSC CGL Reasoning – Mock Test 1 – Tier I Reasoning (Sectional) – Mock Test 1 · Tier I Reasoning · Sectional

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SSC CGL Reasoning – Mock Test 1 – Tier I Reasoning (Sectional) – Mock Test 1 · Tier I Reasoning · Sectional – 21 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.  
Number analogySelect the number that is related to the third number in the same way as the second number is related to the first.
7 : 336 :: 4 : ?

Correct Answer: C [60]

Explanation:

n³ − n: 7³ − 7 = 343 − 7 = 336, so 4³ − 4 = 64 − 4 = 60.

2.  
Letter analogySelect the letter group that completes the analogy.
DGJ : HKN :: PSV : ?

Correct Answer: B [TWZ]

Explanation:

Each letter moves 4 places forward: P → T, S → W, V → Z.

3.  
Odd one outSelect the odd number out: 121, 196, 841, 616

Correct Answer: D [616]

Explanation:

121 = 11², 196 = 14² and 841 = 29² are perfect squares; 616 is not (24² = 576, 25² = 625).

4.  
Odd one outThree of the following letter clusters follow the same pattern. Select the one that does not: SVY, LOR, NQT, HKO

Correct Answer: A [HKO]

Explanation:

The others step +3, +3 (S V Y, L O R, N Q T); HKO steps +3, +4 (H8, K11, O15).

5.  
Number seriesWhich number comes next? 6, 11, 21, 41, 81, ?

Correct Answer: B [161]

Explanation:

×2 − 1 each time: 81 × 2 − 1 = 161.

6.  
Letter seriesWhich letter comes next? B, E, J, Q, ?

Correct Answer: A [Z]

Explanation:

Positions 2, 5, 10, 17 grow by 3, 5, 7; next gap 9 → 26 = Z.

7.  
Coding–decodingIn a certain code, TABLE is written as GNDCV and SOFA as CHQU. How is CHAIR written in that code?

Correct Answer: D [TKCJE]

Explanation:

Write the word backwards and move every letter 2 places forward: RIAHC → TKCJE.

8.  
Number codingIn a certain code, BOOK = 43 and LAMP = 42. What is the code for PAGE?

Correct Answer: C [29]

Explanation:

Sum of letter positions: B2 + O15 + O15 + K11 = 43; P16 + A1 + G7 + E5 = 29.

9.  
Mathematical operationsIf '×' means '+', '+' means '÷', '÷' means '−' and '−' means '×', what is the value of 24 + 6 × 5 − 3 ÷ 7?

Correct Answer: A [12]

Explanation:

Rewrite: 24 ÷ 6 + 5 × 3 − 7 = 4 + 15 − 7 = 12.

10.  
Interchange signsWhich two signs should be interchanged to make the equation correct?
16 − 3 + 24 × 7 ÷ 21 = 11

Correct Answer: B [Interchange + and −]

Explanation:

Interchanging + and − makes both sides equal; every other pair fails.

11.  
Alphabet testWhich letter is 7th to the left of the 15th letter from the right end of the English alphabet?

Correct Answer: C [E]

Explanation:

15th from the right = 27 − 15 = 12 (L); 7 to the left: 12 − 7 = 5 = E.

12.  
RankingIn a row of 35 children facing north, Mohan is 12th from the left end. Sunil is 3 places to Mohan's right. What is Sunil's position from the right end?

Correct Answer: D [21]

Explanation:

Sunil is 15th from the left; from the right: 35 − 15 + 1 = 21.

13.  
Blood relationA is the daughter of B. B is the wife of C. D is the father of C. How is A related to D?

Correct Answer: B [Granddaughter]

Explanation:

B and C are A's parents; D is C's father → A is D's granddaughter.

14.  
Blood relationPointing to a woman, Kunal said, "She is the only daughter of my father's mother's only son." How is the woman related to Kunal?

Correct Answer: A [Sister]

Explanation:

His father's mother's only son is his father; his father's only daughter is Kunal's sister.

15.  
Direction senseStarting from point P, Ritu walks 15 m west, turns right and walks 8 m. How far and in which direction is she from P?

Correct Answer: C [17 m North-West]

Explanation:

15 m west and 8 m north: √(225 + 64) = 17 m, North-West.

16.  
ClockThrough how many degrees does the hour hand of a clock turn from 8:15 a.m. to 11:45 a.m.?

Correct Answer: D [105°]

Explanation:

3 hours 30 minutes = 210 minutes; the hour hand turns ½° per minute → 105°.

17.  
SyllogismStatements: Some pencils are erasers. All erasers are sharpeners.
Conclusions: I. Some pencils are sharpeners. II. All sharpeners are erasers.

Correct Answer: B [Only conclusion I follows]

Explanation:

The pencils that are erasers are also sharpeners, so I is definite.

18.  
Venn countingIn a class of 60 students, 35 play cricket, 28 play football and 10 play neither. How many play both?

Correct Answer: A [13]

Explanation:

Players of at least one = 60 − 10 = 50; both = 35 + 28 − 50 = 13.

19.  
Seating arrangementFive friends A, B, C, D and E sit in a row facing north. C sits at the left end and E at the right end. A sits immediately to the left of B. D sits somewhere to the right of B. Who sits in the middle?

Correct Answer: C [B]

Explanation:

The only order is C, A, B, D, E: A–B must be together in seats 2–4 with D after B, so A 2nd, B 3rd, D 4th.

20.  
Missing numberFind the missing number.
4, 5, 24
6, 3, 24
7, 2, ?

Correct Answer: B [21]

Explanation:

Third = first × second + first (= first × (second + 1)): 4 × 6 = 24, 6 × 4 = 24 → 7 × 3 = 21.

21.  
Counting figuresHow many triangles are there in the figure (a square with both diagonals and a vertical line through its centre)?

Correct Answer: A [12]

Explanation:

By size: the vertical line cuts the top and bottom quarters into 4 small triangles; the 4 quarters meeting at the centre are the next size; the diagonals cut off 4 half-squares → 4 + 4 + 4 = 12.

➤ 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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