Lec 6 | गॉस का प्रमेय | Chap 1 | 12th Physics | By Gopal Sir | Doubtnut

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यूपी बोर्ड ने जारी किया Class 12th Physics का नया Syllabus

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12th Chemistry महत्वपूर्ण प्रश्नों का महा-संग्राम | 12th Chemistry Most Important Objective Question

Class 12 Physics | Chapter 6 Electromagnetic Induction | Important Questions and Quick Revision Part-1

Up Board Class 12th का नया Syllabus जारी

The average of thirteen numbers is 80. The average of the first five numbers is 74.5 and that of the next five numbers is 82.5. The 11th number is 6 more than the 12th number and the 12th number is 6 less than the 13th number. What is the average of the 11th and the 13th numbers? तेरह संख्याओं का औसत 80 है | पहली पांच संख्याओं का औसत 74.5 और अगली पांच संख्याओं का औसत 82.5 है | 11वीं संख्या 12वीं संख्या से 6 अधिक है तथा 12वीं संख्या 13वीं संख्या से 6 कम है | 11वीं तथा 13वीं संख्याओं का औसत ज्ञात करें |

(1)/(12)th gm atom of carbon