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The sum of the first 20 even natural num...

The sum of the first 20 even natural numbers is

A

5050

B

55

C

505

D

420

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Knowledge Check

  • The variance of the first 50 even natural numbers is

    A
    `(833)/(4)`
    B
    833
    C
    437
    D
    `(437)/(4)`
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