Input–Output (Machine) — Practice

Question 1

Input: bat 24 cage 11 door 37 ant 8. Step 1: 8 bat 24 cage 11 door 37 ant. What was moved in Step 1?
(a) Largest number to the right  (b) Smallest number to the extreme left  (c) First word alphabetically  (d) Last number to the left

Accepted Answer

8 (the smallest number) moved to the extreme left.

Answer: (b).

Question 2

Continuing: Step 2: 8 37 bat 24 cage 11 door ant. The rule alternates by moving:
(a) Smallest, then largest, then next-smallest…  (b) Only smallest each step  (c) Words then numbers  (d) Largest each step

Accepted Answer

Step 1 placed the smallest (8); Step 2 placed the largest (37) next to it — the rule alternates smallest/largest.

Answer: (a).

Question 3

With that rule, Step 3 brings which element forward?
(a) 24  (b) 11  (c) door  (d) ant

Accepted Answer

Next smallest remaining is 11, moved to the third position.

Answer: (b) 11.

Question 4

Input numbers 3, 5, 7 become Step 1: 6, 15, 28. The operation is:
(a) +3 each  (b) ×2, ×3, ×4 (by position)  (c) ×step-independent 2  (d) digit sum

Accepted Answer

3×2=6, 5×3=15, 7×4=28 — multiply by (position+1).

Answer: (b). Verify the position-linked operation on the next step.

Question 5

A shifting machine has 8 elements and places one into final position per step. Roughly how many steps to complete?
(a) 8  (b) 7  (c) 4  (d) 16

Accepted Answer

About (number of elements − 1) = 7 steps (the last element is auto-placed).

Answer: (b) 7.

Question 6

Input 47, 82, 15 → Step 1: 11, 10, 6. The operation is:
(a) Reverse digits  (b) Sum of digits  (c) Product of digits  (d) Difference of digits

Accepted Answer

4+7=11, 8+2=10, 1+5=6 — digit sum.

Answer: (b).

Practice — Input–Output (Machine)

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