arrow
arrow
arrow
If 3 is added to each odd digit and 1 is subtracted from each even digit in the number 42514563 , what will be difference between the highest and lowe
Question

If 3 is added to each odd digit and 1 is subtracted from each even digit in the number 42514563 , what will be difference between the highest and lowest digits thus formed?

A.

8

B.

7

C.

2

D.

5

Correct option is B

Given: 42514563
When 3 is added to each odd digit and 1 is subtracted from each even digit in the number
Then modified number is: 31843856
Then difference between the highest (8) and lowest (1) digits is 
8-1=7
Thus, Option B is the correct answer.

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

RRB NTPC UG Level PYP (Held on 7 Aug 2025 S1)

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English

Similar Questions

test-prime-package

Access ‘RRB Group D’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
368k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow