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What will be the sum of …

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What will be the sum of whole numbers from 1-40?

    • Posted by Monika Mishra 7 years, 4 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Ajay Raj 7 years, 4 months ago

    Where n=40, a=1, and d=1. Therefore answer comes 820

    0Thank You

    Ajay Raj 7 years, 4 months ago

    We can use the formula sum to nth term =n/2{2a+(n-1)d}

    0Thank You

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