hamburger menu
All Coursesall course arrow
adda247
reward-icon
adda247
    arrow
    arrow
    arrow
    The average of first 121 odd natural numbers, is
    Question

    The average of first 121 odd natural numbers, is

    A.

    122

    B.

    120.5

    C.

    121

    D.

    121.5

    Correct option is C

    Given:

    We need to find the average of the first 121 odd natural numbers.

    Formula Used:

    Sum of the first n odd natural numbers = n2

    Average = SumTotal count\frac{\text{Sum}}{\text{Total count}}​​

    Solution:

    Sum of the first 121 odd natural numbers:

    Sum = (121)2 = 14641

    Average of the first 121 odd natural numbers:

    Average = 14641121\frac{14641}{121}​ = 121

    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 ‘RPF Constable’ 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