
Let’s analyze the pattern:
1. 100 – 97 = 3
2. 100 – 90 = 1
3. 100 – 70 = 3
4. 100 – 45 = 2
5. 100 – 30 = ?
Step 1: Identifying the Pattern
Observing the given equations, the standard subtraction result isn’t directly giving the output. Instead, there seems to be a hidden transformation.
Let’s check the number of digits in the difference:
• 100 – 97 = 3 → Difference: 3 (Digits: 9 and 7 → Sum = 16 → 1 + 6 = 3)
• 100 – 90 = 1 → Difference: 10 (Digits: 9 and 0 → Sum = 9 → 9) (Possible mistake?)
• 100 – 70 = 3 → Difference: 30 (Digits: 7 and 0 → Sum = 7 → 3?)
• 100 – 45 = 2 → Difference: 55 (Digits: 4 and 5 → Sum = 9 → 2?)
A possible pattern involves the sum of the digits of the subtracted number, possibly reduced further.
Step 2: Applying to 100 – 30
• 30 → Digits: 3 and 0
• Sum: 3 + 0 = 3
Final Answer: 3 ✅