কোন সংখ্যার 1/4 অংশ, তার 1/5 অংশ অপেক্ষা 20 বেশি?
Created: 6 years ago |
Updated: 3 years ago
best des
মনে করি, সংখ্যাটি 'x'
প্রশ্নমতে,
x * (1/4) = x * (1/5) + 20
= > (x/4) = (x/5) + 20
= > (x/4) = (x + 100)/5
= > 5x = 4(x + 100)
= > 5x = 4x + 400
= > 5x - 4x = 400
∴x = 400
Md Azizur Rahman
Founder of Satt
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