चार संख्याए, जिनका औसत 60 है। प्रथम संख्या, अंतिम तीन संख्याओं के योग का एक -चौहाई है। प्रथम संख्या ज्ञात करे?A. 15B. 45C. 48D. 60

चार संख्याए, जिनका औसत 60 है�

1.	चार संख्याए, जिनका औसत 60 है। प्रथम संख्या, अंतिम तीन संख्याओं के योग का एक -चौहाई है। प्रथम संख्या ज्ञात करे?A. 15B. 45C. 48D. 60
Answer» Correct Answer - C According to question `(I+II+III+IV)/4=60` I+II+III+IV=240 …(i) Given : `1=1/4 (II+III+IV)` 4I=II+III-IV…(ii) Compare equation (i) and (ii) I+4I=240 5I=240 = I= 48`

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चार संख्याए, जिनका औसत 60 है। प्रथम संख्या, अंतिम तीन संख्याओं के योग का एक -चौहाई है। प्रथम संख्या ज्ञात करे?A. 15B. 45C. 48D. 60

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