If Sham Ram and Tom work together they can mow a lawn in 4 hrs. If Sham works by himself he takes 10 hrs and Ram working by himself takes 12 hrs. How long will Tom take to mow the same lawn if he works by himself.
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16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
16 hours probably
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