1904 x 1904 = ?
1904 x 1904= (1904)2
= (1900 + 4)2
= (1900)2 + (4)2 + $\left(2 \times 1900 \times 4\right)$
= 3610000 + 16 + 15200.= 3625216.
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1 + 2 + 3 + … + 40 = ? |
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What is sum of first 17 natural numbers? |
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Find the sum of first 25 natural numbers. |
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Find the sum of first 100 natural numbers. |
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Find the sum of first 25 even numbers. |
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Find the sum of first 100 even numbers. |
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Find the sum of first 20 odd numbers. |
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Find the sum of first 500 odd numbers. |
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7, 13, 19, 25, ... ? |
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Find 16th term in the series 7, 13, 19, 25, ... |
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