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Find the sum `(41+42+43+…+100).` |
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Answer» Correct Answer - 4230 Given sum `=(1+2+3+...+40+41+...+100)-(1+2+3+...+40)` `=((1)/(2)xx100xx101)-((1)/(2)xx40xx41)=(5050-820)=4230.` |
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