8 males and 6 females can do a piece of work in 5 days, 5 males and 6 females can complete the same work in 7 days . How many days will a female take to do the job, if she works alone?
Created: 4 years ago |
Updated: 1 year ago
best des
(8M + 6F) × 5 = (5M + 6F) × 7
= > 40M + 30F = 35M + 42F
= > 5M = 12F
Now, (5M + 6F) = 12F + 6F = 18F
18F can do in = 7 days
1F can do in = 18x 7 = 126 days Ans.
Md Azizur Rahman
Founder of Satt
ঐকিক নিয়ম (Unitary Methods):
একটি জিনিসের দাম, ওজন, পরিমাণ ইত্যাদি বের করে নির্দিষ্ট সংখ্যক এই জাতীয় জিনিসের দাম, ওজন, পরিমাণ ইত্যাদি বের করার নিয়মকে ঐকিক নিয়ম বলে।
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