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SSC · Logical Reasoning practice

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English SSC CGL Tier I papers. Free 60-minute mocks, 100 questions, 200 marks; +2 correct and −0.5 incorrect. Source: SSC response sheets preserved by SSC Portal. The marked archived keys have not been independently revalidated against final SSC keys; worked explanations are pending review. A/B/C/D correspond to source options 1/2/3/4.

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Question 1 · Reasoning Ability · Logical Reasoning
If WATER is coded as YCVGT, how will NIGHT be coded in the same code?
Choose your answer for question 1
Answer and explanation

Correct answer: C

Each letter is shifted 2 places forward in the alphabet, so NIGHT becomes PKIJV.

Question 2 · Reasoning Ability · Logical Reasoning
In a certain code, RIVER is written as NERAN. How is SILVER written in that code?
Choose your answer for question 2
Answer and explanation

Correct answer: C

Each letter is moved 4 places backward; SILVER → OEHRAN.

Question 3 · Reasoning Ability · Logical Reasoning
If each letter of the word DREAM is replaced by its opposite letter in the alphabet (A↔Z, B↔Y, …), what is the resulting word?
Choose your answer for question 3
Answer and explanation

Correct answer: A

The opposite of a letter at position p is at position 27 − p. DREAM → WIVZN.

Question 4 · Reasoning Ability · Logical Reasoning
If A = 1, B = 2, C = 3, … Z = 26, what is the sum of the letter values of the word SUMMER?
Choose your answer for question 4
Answer and explanation

Correct answer: A

S=19, U=21, M=13, M=13, E=5, R=18; sum = 89.

Question 5 · Reasoning Ability · Logical Reasoning
How many letters are there between F and H in the English alphabet?
Choose your answer for question 5
Answer and explanation

Correct answer: A

Positions are 6 and 8; letters between = 8 − 6 − 1 = 1.

Question 6 · Reasoning Ability · Logical Reasoning
Which letter is the 3rd from the right end of the English alphabet?
Choose your answer for question 6
Answer and explanation

Correct answer: C

The 3rd letter from the right is X.

Question 7 · Reasoning Ability · Logical Reasoning
Statements: All lions are pens. All pens are cats. Conclusions: I. All lions are cats. II. All cats are lions.
Choose your answer for question 7
Answer and explanation

Correct answer: B

From "All lions are pens" and "All pens are cats", all lions are cats (I follows). The reverse (II) does not follow.

Question 8 · Reasoning Ability · Logical Reasoning
Statement: W ≤ Z = Q ≤ P ≤ T Conclusions: I. Q ≥ P II. P ≤ T
Choose your answer for question 8
Answer and explanation

Correct answer: B

Chaining the given relations: I (Q ≥ P) is not definitely true; II (P ≤ T) is definitely true.

Question 9 · Reasoning Ability · Logical Reasoning
What was the day of the week on 6 February 1952?
Choose your answer for question 9
Answer and explanation

Correct answer: A

Counting odd days from a reference date gives Wednesday.

Question 10 · Reasoning Ability · Logical Reasoning
Today is Thursday. What day of the week will it be after 160 days?
Choose your answer for question 10
Answer and explanation

Correct answer: A

160 = 7 × 22 + 6, so the day is 6 days after Thursday: Wednesday.

Question 11 · Reasoning Ability · Logical Reasoning
What is the angle between the hour hand and the minute hand of a clock at 3:00?
Choose your answer for question 11
Answer and explanation

Correct answer: A

Angle = |30h − 5.5m| = |30×3 − 5.5×0| = 90° (taking the smaller angle).

Question 12 · Reasoning Ability · Logical Reasoning
A man walks 32 km north and then 60 km east. How far is he from his starting point?
Choose your answer for question 12
Answer and explanation

Correct answer: A

The two legs are perpendicular, so distance = √(32² + 60²) = 68 km.

Question 13 · Reasoning Ability · Logical Reasoning
A person facing North turns right. Which direction is he facing now?
Choose your answer for question 13
Answer and explanation

Correct answer: B

Turning right from North gives East.

Question 14 · Reasoning Ability · Logical Reasoning
A boy is facing North. He turns 180° clockwise. In which direction is he facing now?
Choose your answer for question 14
Answer and explanation

Correct answer: B

Turning 180° clockwise from North leads to South.

Question 15 · Reasoning Ability · Logical Reasoning
In a class of 59 students, Amit's rank is 38th from the top. What is his rank from the bottom?
Choose your answer for question 15
Answer and explanation

Correct answer: C

Rank from bottom = 59 − 38 + 1 = 22.

Question 16 · Reasoning Ability · Logical Reasoning
In a row of students, Rohan is 14th from the left and 12th from the right. How many students are there in the row?
Choose your answer for question 16
Answer and explanation

Correct answer: D

Total = 14 + 12 − 1 = 25.

Question 17 · Reasoning Ability · Logical Reasoning
Priya ranks 11th from the top and Sunita ranks 12th from the bottom in a class of 31. How many students are between Priya and Sunita?
Choose your answer for question 17
Answer and explanation

Correct answer: B

Positions: Priya 11, Sunita 20. Students between = 20 − 11 − 1 = 8.

Question 18 · Reasoning Ability · Logical Reasoning
Varun's mother is Tanvi's sister. How is Varun related to Tanvi?
Choose your answer for question 18
Answer and explanation

Correct answer: D

Tracing the relationships step by step gives: Nephew.

Question 19 · Reasoning Ability · Logical Reasoning
If '÷' means '−' and '−' means '+' (all other symbols as usual), what is the value of 8 ÷ 3 − 6?
Choose your answer for question 19
Answer and explanation

Correct answer: D

Replace the symbols: 8 − 3 + 6. Applying BODMAS, the value is 11.

Question 20 · Reasoning Ability · Logical Reasoning
In a group, 7 people each shake hands with every other person exactly once. How many handshakes take place?
Choose your answer for question 20
Answer and explanation

Correct answer: C

Handshakes = n(n−1)/2 = 7×6/2 = 21.

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