Machine Input Quiz
Practice quiz on Machine Input (Reasoning & Mental Aptitude). 10 exam-style questions with explanations.
About This Quiz
Machine Input Quiz — Questions with Solutions
All 10 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.Input: 5 3 8 2. In each step, the smallest number is moved to the left end. Step 1 gives
- A.3 5 8 2
- B.2 5 3 8
- C.2 3 5 8
- D.8 5 3 2
Show answer
Answer: B. 2 5 3 8
Smallest moved to the front.
Q2.A machine rearranges numbers in ascending order. Input: 34 12 56 8. Output:
- A.56 34 12 8
- B.12 8 34 56
- C.8 34 12 56
- D.8 12 34 56
Show answer
Answer: D. 8 12 34 56
Ascending order.
Q3.A machine arranges words alphabetically. Input: ram apple cat. Output:
- A.apple ram cat
- B.apple cat ram
- C.ram cat apple
- D.cat ram apple
Show answer
Answer: B. apple cat ram
Alphabetical.
Q4.Input: 9 4 7. Step 1: 4 9 7. Step 2: 4 7 9. This machine is doing
- A.Bubble-style sorting
- B.Reversal
- C.Doubling
- D.Random shuffle
Show answer
Answer: A. Bubble-style sorting
Gradual sorting.
Q5.A machine adds 3 to each number. Input: 4 7 10. Output:
- A.3 4 7
- B.8 11 14
- C.4 10 7
- D.7 10 13
Show answer
Answer: D. 7 10 13
Add 3.
Q6.A machine reverses the order. Input: 1 2 3 4. Output:
- A.2 1 4 3
- B.3 4 1 2
- C.4 3 2 1
- D.1 2 3 4
Show answer
Answer: C. 4 3 2 1
Reverse order.
Q7.A machine doubles each number. Input: 3 5 8. Output:
- A.6 8 11
- B.6 10 16
- C.3 10 16
- D.9 15 24
Show answer
Answer: B. 6 10 16
x2.
Q8.Input: 25 16 9 4. A machine takes square roots. Output:
- A.5 4 3 2
- B.5 8 3 2
- C.6 4 3 2
- D.5 4 3 1
Show answer
Answer: A. 5 4 3 2
sqrt.
Q9.A machine arranges numbers in descending order. Input: 14 28 7 21. Output:
- A.14 7 21 28
- B.28 14 21 7
- C.28 21 14 7
- D.7 14 21 28
Show answer
Answer: C. 28 21 14 7
Largest first.
Q10.Input: 'one two three'. The machine reverses the words. Output:
- A.three two one
- B.three one two
- C.one three two
- D.two one three
Show answer
Answer: A. three two one
Reverse words.
Frequently Asked Questions
Is Machine Input Quiz free to attempt on AajExam?
Yes. Machine Input Quiz is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.
How long does it take to complete Machine Input Quiz?
Machine Input Quiz runs on a 10-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on Machine Input Quiz ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Machine Input Quiz multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
Input-Output questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.