SSC CGL Preparation – Day 9

Practice Questions: Input-Output Reasoning

Directions for Q1–Q5:

Study the following input and answer the questions that follow.

Input: mango 25 zebra 14 apple 36 banana 42

Step I: 14 mango zebra 25 apple 36 banana 42
Step II: 14 apple mango zebra 25 36 banana 42
Step III: 14 apple 25 mango zebra 36 banana 42
Step IV: 14 apple 25 banana mango zebra 36 42
Step V: 14 apple 25 banana 36 mango zebra 42
Step VI: 14 apple 25 banana 36 mango 42 zebra

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🧠 Q1. What will be the final output?

A) 14 apple 25 banana 36 mango 42 zebra
B) apple 14 25 banana 36 mango zebra 42
C) 14 banana apple 25 36 mango 42 zebra
D) Cannot be determined

✅ Answer: A
📘 Explanation: Words and numbers are being alternately arranged in ascending/alphabetical order.

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🧠 Q2. Which element is at 4th position in Step IV?

A) banana
B) mango
C) 36
D) 25

✅ Answer: A
📘 Explanation: Step IV: 14 apple 25 banana mango zebra 36 42 → 4th element is banana.

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🧠 Q3. How many steps are required to complete the arrangement?

A) 5
B) 6
C) 7
D) 4

✅ Answer: B
📘 Explanation: Final arrangement occurs at Step VI.

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🧠 Q4. What is the position of “zebra” in Step III?

A) 6th
B) 5th
C) 4th
D) 7th

✅ Answer: B
📘 Explanation: Step III: 14 apple 25 mango zebra 36 banana 42 → zebra is at 5th position.

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🧠 Q5. Which element comes immediately after 25 in Step V?

A) banana
B) apple
C) 36
D) mango

✅ Answer: A
📘 Explanation: Step V: 14 apple 25 banana 36 mango 42 zebra

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🔢 Directions for Q6–Q10:

Study the following input and answer the questions that follow.

Input: 84 21 63 42 35

Step I: 21 84 63 42 35
Step II: 21 35 84 63 42
Step III: 21 35 42 84 63
Step IV: 21 35 42 63 84

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🧠 Q6. What is the logic behind the rearrangement?

A) Descending order
B) Smallest number to left one by one
C) Even numbers arranged
D) Largest numbers to the right

✅ Answer: B
📘 Explanation: Each step places the next smallest number to the left.

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🧠 Q7. How many steps are required to sort the sequence?

A) 3
B) 4
C) 5
D) 2

✅ Answer: B
📘 Explanation: Sorting completes in Step IV.

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🧠 Q8. What is the third element in Step II?

A) 84
B) 42
C) 35
D) 63

✅ Answer: A
📘 Explanation: Step II: 21 35 84 63 42

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🧠 Q9. Which element is placed at the second position in the final step?

A) 35
B) 21
C) 42
D) 63

✅ Answer: A
📘 Explanation: Step IV: 21 35 42 63 84

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🧠 Q10. Which of the following is true about Step III?

A) First two numbers are 21 and 42
B) Last two numbers are 84 and 63
C) 35 is at third position
D) None of these

✅ Answer: B
📘 Explanation: Step III: 21 35 42 84 63 → last two are 84 and 63.