Input-Output - Beginner-Intermediate Level: logical machines BEGINNER-INTERMEDIATE

Strategic fast track practice for input-output: 20 beginner-intermediate-level problems. Worksheet 9 of 30 - Focus: logical machines. Develop expertise in machine operations, stepwise transformation, algorithmic logic with step-by-step solutions. Ideal for developing learners targeting building on fundamentals with moderate challenges.

📝 Worksheet 9 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner-intermediate level

What you'll learn in this worksheet:

Analyze complex machine operations patterns systematically
Develop analytical thinking for stepwise transformation problems
Learn step-by-step fast track practice approaches
Understand the logic behind algorithmic logic solutions
Apply critical thinking to logical machines challenges

Your progress through Input-Output

Worksheet 9 of 30 (30% complete)

Question 1

Input: 2 5 10 What is the next number in the sequence?

Pattern: add 3, multiply by 2, add 3, multiply by 2... → 13

pattern, sequence, completion

Question 2

Input: 45 34 58 12 Coding Scheme: 0→@, 1→#, 2→$, 3→%, 4→&, ... Rule: Replace each digit with its corresponding symbol Output: ?

Each digit replaced by its symbol: 45 34 58 12 → &* %& *~ #$

symbol, coding, substitution

Question 3

Input: CODE Step 1 (shift+1): DPEF Step 2 (uppercase): DPEF What is the final output after all 3 transformations?

Applied shift+1, uppercase, double_letters sequentially: CODE → DDPPEEFF

function, composition, chaining

Question 4

Input: 81 60 61 84 Coding Scheme: 0→!, 1→?, 2→~, 3→^, 4→&, ... Rule: Replace each digit with its corresponding symbol Output: ?

Each digit replaced by its symbol: 81 60 61 84 → $? @! @? $&

symbol, coding, substitution

Question 5

Input: 17 94 87 53 Coding Scheme: 0→@, 1→#, 2→$, 3→%, 4→&, ... Rule: Replace each digit with its corresponding symbol Output: ?

Each digit replaced by its symbol: 17 94 87 53 → #? ^& ~? *%

symbol, coding, substitution

Question 6

Input: apple 42 banana 16 kiwi Apply conditional rules based on item type and properties Output: ?

Applied specific rules to each element based on its type and characteristics: fpple 3 caoaoa 36 lixi

coding, conditional, rules

Question 7

Word: ALERT Step 1: Alternate encoding - letter followed by its position number What is the encoded output?

Each letter followed by its position (A=1, B=2...): ALERT → A1L12E5R18T20

alpha-coding, decoding, positions

Question 8

Input: 33 49 34 62 Coding Scheme: 0→@, 1→#, 2→$, 3→%, 4→&, ... Rule: Replace each digit with its corresponding symbol Output: ?

Each digit replaced by its symbol: 33 49 34 62 → %% &^ %& !$

symbol, coding, substitution

Question 9

Input: 6 12 24 What is the next number in the sequence?

Geometric progression (multiply by 2): 6 12 24 → 48

pattern, sequence, completion

Question 10

Word: SMART Step 1: Alternate encoding - letter followed by its position number What is the encoded output?

Each letter followed by its position (A=1, B=2...): SMART → S19M13A1R18T20

alpha-coding, decoding, positions

Question 11

Input: 63 32 rose tulip daisy sunflower 71 90 Step 1: 32 63 71 90 daisy rose sunflower tulip Step 2: Alternate elements reversed (positions 2,4,6...) What is Step 2 output?

From Step 1, reverse every second element: 32 36 71 09 daisy esor sunflower pilut

sorting, word/number, multi-stage

Question 12

Input: 90 jasmine lotus sunflower 71 orchid 17 45 Step 1: 17 45 71 90 jasmine lotus orchid sunflower Step 2: 17 54 71 09 jasmine sutol orchid rewolfnus Step 3: Capitalize words, double numbers What is Step 3 output?

From Step 2, double all numbers and capitalize all words: 34 108 142 18 Jasmine Sutol Orchid Rewolfnus

sorting, word/number, multi-stage

Question 13

Input: CODE Step 1 (uppercase): CODE Step 2 (lowercase): code What is the final output after all 3 transformations?

Applied uppercase, lowercase, shift+1 sequentially: CODE → dpef

function, composition, chaining

Question 14

Input: mango 35 cherry 42 peach Apply conditional rules based on item type and properties Output: ?

Applied specific rules to each element based on its type and characteristics: naoho 8 Cherry 4 hcaep

coding, conditional, rules

Question 15

Input: BRAIN Step 1 (reverse): NIARB What is the final output after all 2 transformations?

Applied reverse, lowercase sequentially: BRAIN → niarb

function, composition, chaining

Question 16

Input: apple 42 banana 16 kiwi Apply conditional rules based on item type and properties Output: ?

Applied specific rules to each element based on its type and characteristics: elppa 6 ananab 1 lixi

coding, conditional, rules

Question 17

Input: PYTHON Step 1 (swapcase): python Step 2 (remove_vowels): pythn What is the final output after all 3 transformations?

Applied swapcase, remove_vowels, shift-1 sequentially: PYTHON → oxsgm

function, composition, chaining

Question 18

Word: FOCUS Step 1: Alternate encoding - letter followed by its position number What is the encoded output?

Each letter followed by its position (A=1, B=2...): FOCUS → F6O15C3U21S19

alpha-coding, decoding, positions

Question 19

Input: 59 54 81 52 Coding Scheme: 0→+, 1→-, 2→=, 3→/, 4→\, ... Rule: Replace each digit with its corresponding symbol Output: ?

Each digit replaced by its symbol: 59 54 81 52 → |] |\ [- |=

symbol, coding, substitution

Question 20

Input: 43 88 20 65 Coding Scheme: 0→@, 1→#, 2→$, 3→%, 4→&, ... Rule: Replace each digit with its corresponding symbol Output: ?

Each digit replaced by its symbol: 43 88 20 65 → &% ~~ $@ !*

symbol, coding, substitution

🎯 Milestone unlocked! 27% of Input-Output mastered. The finish line approaches!

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