Rajeeb, Debangana, Masum and Tajmira can do 150 sums in 6 days. Let us find, in how many day will Rajeeb and Tajmira finish 250 sums if each of them does equal number of sums everyday. ( In Unitary Method )
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No. of sums Rajeeb, Debangana, Masum and Tajmira can do in 6 days = 150 days
No. of sums Rajeeb, Debangana, Masum and Tajmira can do in 1 day = 150/6 sums
= 25 sums
No. of days Rajeeb and Tajmira requires to finish 250 sums = 250/25 days
= 10 days.
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