Lec 5 | Chap 3 | कार्बन प्रतिरोध के वर्णकोड | विधुत धारा | 12th/ NEET-JEE/ Physics | By Gopal sir

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 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 ?