The average of 20 numbers is 32. If two numbers are 29 and 31, then what
The average of 20 numbers is 32. If two numbers are 29 and 31, then what is the average of the remaining numbers (correct up to two decimals)?
20 संख्याओं का औसत 32 है। यदि दो संख्याएँ 29 और 31 हैं, तो शेष संख्याओं का औसत क्या है (दशमलव के दो स्थानों तक सही उत्तर दें)?
Detailed Solution & Logic
32.22
Total of 20 numbers
$=20\times32=640$
Sum of remaining 18 numbers
$=640-(29+31)=640-60=580$
Average of remaining 18 numbers
$=\frac{580}{18}=32.22$
Answer: 32.22 ✅
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