A man binds 112 books in a day , and his assistant work 1/4 as fast . How many days will it take them to bind 560 books, if each alone works on alternate days ?
Created: 6 years ago |
Updated: 2 years ago
best des
His assistant binds 1/4 x 112 = 28 books a day.
So, they bind 112 + 28 = 140 books in every 2 days working in alternate days
They will need 560/140 x 2 days = 8 days.
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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