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There are two teams I and II of workers at a bridge construction site. Each team consists of W workers. On a particular day, a worker was shifted from team I to team II, if the ratio of the amount of work done by team I in (W + 1) hours and by team II in (W + 2) hours is 10 : 12, respectively, then W is equal to

[IB ACIO Grade II Previous Paper 5 (Held on: 19 Feb 2021 Shift 1)]
A
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EXPLANATION

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