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Created: 7 months ago | Updated: 1 month ago
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Given that 12+22+32.....+102=385, what is the value of 32+62+92+.....302?

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Roni can walk a certain distance in 410 days when he rests 9 hours a day. How long will be take to walk twice the distance, twice as face and rest tvwice as long each day?

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If x-y=3 then what is the value of x3-y3-9xy?

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A takes twice as much time as B or thrice as much time as C to finish a piece of work Working together, they can finis the work Working together , they can finish teh work in 2 days . B can do the work alone in -

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