A, B and C can complete a piece of work in 24,5 and
12 days respectively. Working together, they will
complete the same work in:
A, B और C एक कार्य को क्रमश: 24, 5 और 12 दिन में कर सकते
हैं। वे एक साथ मिलकर इस कार्य को कितने दिनों में पूरा करेंगे?
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Answer:
A’s 1 day’s work = \frac{1}{24}
B’s 1 day’s work = \frac{1}{6}
C’s 1 day’s work = \frac{1}{12}
(A+B+C)’s 1 day’s work = \frac{1}{24}+\frac{1}{6}+\frac{1}{12}=\frac{1+4+2}{24}=\frac{7}{24}
∴ The work will be completed by them in \frac{24}{7} i.e. 3\frac{3}{7} days.
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