महत्वपूर्ण पर्यायवाची | Mehatavapurna Paryaayvachi Class 10 Hindi | Doubtnut

दूरी और विस्थापन | Distance And Displacement - Explained In Hindi | Class 11 Physics

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 ?

10 हिंदी जासूसी और मजेदार पहेलियाँ | Hindi Paheliyan | Hindi Paheliyan | Mind Your Logic

In a class of 50 students 20 take Sanskrit but not Hindi and 37 take Sanskrit. How many students take Hindi but not Sanskrit? (Each student takes either Sanskrit or Hindi).

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In a class, 30% students study English, 15% study Hindi and 10% study both English and Hindi. One student is selected at random. Find the probability that (i) He studies English if it known that he Hindi (ii) He studies Hindi if it is known that he studies English

In a class of 70 students, each student passed Hindi or English. Of them, 15 students passed both Hindi and English, and 40 students passed Hindi. Find the number of students who passed English.

In a class of 70 students, each student passed Hindi or English. Of them, 15 students passed both Hindi and English, and 40 students passed Hindi. Find the number of students who passed English.