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JEE Mains & Advanced | Chemistry - Ideal Gases By Vipin Sir | L2 English Medium

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JEE Mains & Advanced | Chemistry - Ideal Gases By Vipin Sir | L3 English Medium

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The probability that a student selected at random from a class will pass in Hindi is 4/5 and the probability that he passes in Hindi and English is 1/2 . What is the probability that he will pass in English if it is known that he has passed in Hindi ?

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In a class of 50 students, 23 speak English, 15 speak Hindi and 18 speak Punjabi. 3 speak only English and Hindi, 6 speak only Hindi and Punjabi and 6 speak only English and Punjabi. If 9 speak only English, then how many speak all the three? (a) 1 (b) 2 (c) 3 (d) 5

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. How many days was there between Biology and Hindi ?

In a class test , the sum of Arun's marks in Hindi and English is 30 . Had he got 2 marks more in Hindi and 3 marks less in English , the product of the marks would have been 210 . Find his marks in the two subjects .

A call center recruits candidates with the following criteria - 1. Candidates should have passed at least 10th standard. 2. Candidates must be fluent in English and Hindi 3. Candidates must be ready to work in both day and night shifts. Which candidate among the following will the call center definitely take? A. Seeta is a graduate, fluent in Marathi, Hindi and English and can work only in day shift. B. Sarita is fluent in English, Tamil and Hindi, can work in both shifts and has had no formal education. C. Smita speaks English and Hindi very well, is ready for day as well as night shifts and has studied till 12th standard D.Savita can work in hoth shifts, has pazsed 10 standard with 65% and speaks fluent Hindi and Marathi