Question
Sonal completed 30% of work alone and left the remaining
work for Vinod who completed it in 28 days. If the total work got completed in 40 days, then find the time taken by Sonal and Vinod together to complete the whole work.Solution
Total time taken by Vinod alone to complete the work = (28/7) x 10 = 40 days Total time taken by Sonal alone to complete the work = (12/3) x 10 = 40 days Let total work be 40 units. Hence, the Required time will be = 40/2 = 20 days
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Select the correct combination of mathematical signs that can sequentially replace '*' sign and balance the equation given below.
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