Question
Download Solution PDFएक फलंदाज 15व्या डावात 97 धावा करतो आणि अशा प्रकारे त्याची सरासरी 5 ने वाढवतो. 15व्या डावानंतर त्याची सरासरी शोधा.
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Detailed Solution
Download Solution PDFदिलेल्याप्रमाणे :
एक फलंदाज 15व्या डावात 97 धावा करतो
त्याची सरासरी 5 ने वाढवतो.
वापरलेले सूत्र :
सरासरी = एकूण धावा / एकूण डाव
निरसन :
14 डावांनंतर फलंदाजाची सरासरी x मानू.
आपल्याला माहीत आहे, की 14 डावांमध्ये फलंदाजाने केलेल्या एकूण धावा 14x आहेत.
प्रश्नानुसार :
14x + 97 = 15(x + 5)
14x + 97 = 15x + 75
x = 22
15व्या डावानंतरची सरासरी = x + 22 = 5 + 22 = 27
∴ योग्य उत्तर पर्याय 3 हे आहे.
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