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एक स्कूल के 30 शिक्षक में से 60 वर्ष की आयु का एक शिक्षक सेवानिवृत्त हो गया । उसके स्थान पर 30 वर्ष की आयु के एक अन्य शिक्षक को नियुक्त किया गया ,इसके परिणामस्वरूप , शिक्षकों की माध्य क्या होगी ?
Civil Services Entrance Exams-Medium-Hindi
Upsssc
UPSI
UPP
SSC(CHSL)
SSC(CGL)
SSC GD
SSC (10 plus 2)
Maths
Oneday Exams-Medium-Hindi
Mathematical reasoning
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