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Lec 2 | विधुत धारिता | स्थिर विधुत विभव तथा धारिता |Chap 2 | 12th Physics | By Gopal Sir | Doubtnut

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Class 12 Physics (Hindi)| Chapter 2 स्थिर वैद्युत विभव तथा धारिता | Important Questions | UP Boards

The average of 24 numbers is 56. The average of the first 10 numbers is 71.7 and that of the next 11 numbers is 42. The next three numbers (i.e 22nd ,23rd and 24th) are in the ratio 1/2 : 1/3: 5/12 . What is the average of the 22nd and 24th numbers? 24 संख्याओं का औसत 56 है | पहली 10 संख्याओं का औसत 71.7 है तथा अगली 11 संख्याओं का औसत 42 है| अगली तीन संख्याएँ ( अर्थात 22वीं, 23वीं तथा 24वीं ) 1/2 : 1/3: 5/12 के अनुपात में हैं | 22वीं तथा 24वीं संख्याओं का औसत कितना है ?

The curved surface area of a cylinder is 25344 cm^2 and its height is 32 cm. Find the volume of cylinder whose capacity is pi/792 times the capacity of the cylinder given. किसी बेलन (सिलिंडर ) का वक्र पृष्ठ क्षेत्रफल 25344 cm^2 है तथा उसकी ऊंचाई 32 cm है | उस बेलन (सिलिंडर ) का आयतन कितना है जिसकी धारिता दिए गए बेलन (सिलिंडर) के आयतन की pi/792 गुनी है?

An examination was held during the 2 weeks of April 3rd-Sunday to 16th Saturday. There was 1 paper for the six subjects - Physics, Chemistry, Biology, Maths, English and Hindi. Only 1 paper per day No exam on Saturdays and Sundays and Holiday on April 5th. Only 3 exams were there in a week. Chemistry was before Biology and Maths was on the next day of Hindi. The day on which the paper of biology and maths were held was the same, while that for chemistry and physics was also the same. There was no exam for 3 days between Physics and the exam prior to it. Hindi exam on Tuesday and one exam between Hindi and English exam. There was at least a gap of one day between any 2 science paper. Which of the following exam was held on April 12th ?

The average of twelve numbers is 55.5. The average of the first four numbers is 53.4 and that of the next four numbers is 54.6. The 10th number is greater than the 9th number by 3 but lesser than the 11th and 12th numbers by 2 and 3, respectively. What is the average of the 10th and the 12th numbers? बारह संख्याओं का औसत 55.5 है | पहली चार संख्याओं का औसत 53.4 है तथा अगली चार संख्याओं का औसत 54.6 है | 10वीं संख्या 9वीं संख्या से 3 अधिक है लेकिन 11वीं और 12वीं संख्याओं से क्रमशः 2 और 3 कम है | 10वीं और 12वीं संख्याओं का औसत ज्ञात करें |