Subject
Bank Exam
Topic
বাংলাদেশ ব্যাংক (সহকারী পরিচালক) - ২৮.১০.২০২২
The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added. The first one is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average -
The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added. The first one is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average -
ক)
40.2খ)
40.6গ)
40.4ঘ)
40.8Explanation
এখানে, ভুল যোগটির উত্তর =10×40.2=402 প্রকৃত যোগফল =(402-18+33-13) =404 সঠিক গড় =404/10=40.4Related questions
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