Ek Kakshaa Me 40 Chhatron Ki Average Ayoo 15 Varsh HaiJab 10 Naye Chhatra Judte Hain To Average Ayoo 02 Varsh Badh Jati HaiNaye Chhatron Ki Average Ayoo Kya Hogi एक कक्षा में 40 छात्रों की औसत आयु 15 वर्ष HaiJab 10 नये छात्र जुड़ते हैं‌‌‌‌‌‌ तो औसत आयु 02 वर्ष बाढ़़ जाती HaiNaye छात्रों की औसत आयु क्या‎ होगी

एक कक्षा में 40 छात्रों की औसत आयु 15 वर्ष HaiJab 10 नये छात्र जुड़ते हैं‌‌‌‌‌‌ तो औसत आयु 02 वर्ष बाढ़़ जाती HaiNaye छात्रों की औसत आयु क्या‎ होगी

DEEPAK DAHINWAL on 26-02-2019

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sudhir kumar on 25-02-2019

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