Mathematics · Averages
एक लड़के ने पांच मैचों की श्रृंखला में चार मैच खेले और प्रति मैच औसतन 40 रन बनाए। अपने अंतिम मैच में, वह 80 रन बनाता है, जिससे उसका कुल औसत (x - 5)% बढ़ जाता है। (x + 9) का मान क्या होगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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