The average of nine consecutive numbers is n. If the next two numbers are also included, the new average is :
9 क्रमिक संख्याओं का औसत n है, यदि उनमें दो अगली संख्याओं को शामिल कर लिया जाए, तो नया औसत कितना हो जायेगा ?
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Correct answer: B. increase by 11 की वृद्धि होगी
Explanation
The average of consecutive numbers is the middle one. With two more numbers the middle moves up by one place, so the average rises by 1.
क्रमागत संख्याओं का औसत बीच की संख्या होती है; दो और संख्याएँ जोड़ने पर बीच की संख्या एक आगे खिसकती है, औसत 1 बढ़ता है।
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