A, B and C can complete a piece of work in 24, 6 and 12 days respectively . Working together , They will complete the same work in:

Created: 5 years ago | Updated: 2 years ago

Updated: 2 years ago

4 \frac{1}{3} h r s . \frac{1}{14} d a y

\frac{7}{24} d a y

3 \frac{3}{7} d a y

4 days

Rupali Bank Ltd Rupali Bank Ltd - Officer - 04.10.2013 গণিত

ব্যাখ্যা

255

Best Ans:

1 day A does 1/24 part

1 day B does 1/6 part

1 day C does 1/12 part

They do together in 1 day ( 1/24 + 1/6 + 1/12) part

= 21/72 = 7/24

7/24 part do in 1 day

So 1 part do 24/7 day = 3 × 3/7 day (ans)

5 years ago

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Md Azizur Rahman

Founder of Satt

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