arrow
arrow
arrow
If 1 is added to each even digit and 1 is subtracted from each odd digit in the number 8629475, what will be the sum of the highest and lowest di
Question

If 1 is added to each even digit and 1 is subtracted from each odd digit in the number 8629475, what will be the sum of the highest and lowest digits in the new number thus formed?

A.

6

B.

16

C.

12

D.

14

Correct option is C

Original digits: 86 29475
Apply transformation:
8 (even) → 8 + 1 = 9
6 (even) → 6 + 1 = 7
2 (even) → 2 + 1 = 3
9 (odd) → 9 – 1 = 8
4 (even) → 4 + 1 = 5
7 (odd) → 7 – 1 = 6
5 (odd) → 5 – 1 = 4
New number: 9, 7, 3, 8, 5, 6, 4
Highest digit = 9
Lowest digit = 3
Final Answer: 9 + 3 = 12
Final Correct Option: (C)  

Free Tests

Free
Must Attempt

CBT-1 Full Mock Test 1

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
Free
Must Attempt

RRB NTPC Graduate Level PYP (Held on 5 Jun 2025 S1)

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
Free
Must Attempt

CBT-1 General Awareness Section Test 1

languageIcon English
  • pdpQsnIcon40 Questions
  • pdpsheetsIcon30 Marks
  • timerIcon25 Mins
languageIcon English

Similar Questions

test-prime-package

Access ‘RRB NTPC’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
354k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow