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Neelam, Usha, Meena can do a work in 10,...

Neelam, Usha, Meena can do a work in 10, 12 and 15 days respectively. If Usha left after 2 days. How long would it take Neelam and Meena to complete the remaining work ?

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The part of work completed by Neelam, Usha and Meena in 2 days `because`Remaining work = `1 – 1 /2 = 1 /2`
`therefore` Work done by (Neelam and Meena) together in 1 day `because 1/6 th` part of work completed by both Neelam and Meena in 1 day
`because 1/2` part of work will be completed in = `1/(1/6)xx1/ 2`
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UPKAR PUBLICATION -TIME AND WORK-QUESTION BANK
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