In an examination, there are 1000 boys and 800 girls, 60% of boys and 40% girls passed. The percentage of candidates that failed is ---
Created: 6 years ago |
Updated: 3 years ago
best des
Hints - 1000 জন boys এর 60% = 600 জন।
800 জন girls এর 40% = 320 জন।
(1000 + 800) বা 1800 জন এর মধ্যে পাস করে ( 600 + 320) বা 920 জন।
Fail করে = ( 1800 - 920 ) বা 880 জন।
Persentage failed = 880/1800 × 100%
= 48.88%
Md Azizur Rahman
Founder of Satt
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