hamburger menu
All Coursesall course arrow
adda247
reward-icon
adda247
    arrow
    arrow
    arrow
    If each of the digits in the number 243978615 is arranged in ascending order from left to right, the position of how many digits will remain unchanged
    Question

    If each of the digits in the number 243978615 is arranged in ascending order from left to right, the position of how many digits will remain unchanged as compared to that in the original number?

    A.

    4

    B.

    2

    C.

    3

    D.

    1

    Correct option is D

    Given : 
    Number2 4 3 9 7 8 6 1 5
    Solution:
    The digits arranged in ascending order : 1 2 3 4 5 6 7 8 9
    Original Number
    2
    4
    3
    9
    7
    8
    6
    1
    5
    Number in Order
    1
    2
    3
    4
    5
    6
    7
    8
    9
    The digit 3 remains in the same position in both the original and ascending order​
    Onlydigit (3) will remain unchanged as compared to that in the original number
    Thus, The correct answer is (d) 1​​

    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
    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
    344k+ students have already unlocked exclusive benefits with Test Prime!
    Our Plans
    Monthsup-arrow