Number Analogy in Hindi| RRB GROUP D/SSC CGL CHSL | Reasoning Classes in Hindi| #shorts

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 ?

There are 40 presons in a group : four of them can speak neither Englis nor Hindi .The sum of the number of persons who can speak English and that of those who can speak Hindi is 44 Find the number of those who can speak both English and Hindi.

In a class 80 students the boys and girls are in the ratio of 5 : 3. The students can speak only Hindi or Engish or both Hindi and English. The number of boys and the number of girls who can speak only Hindi is equal and each of them is 40% of the total number of girls. 10% of the girls can speak both the languages and 58% of the boys can speak only English What percentage of boys and girls can speak only Hindi?

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).

In a class, 54 students are good in Hindi only, 63 students are good in Mathematics only and 41 students are good in English only. There are 18 students who are good in both Hindi and Mathematics. 10 students are good in all three subjects. What is the number of students who are good in either Hindi or Mathematics but not in English?

In a class, 54 students are good in Hindi only, 63 students are good in Mathematics only and 41 students are good in English only. There are 18 students who are good in both Hindi and Mathematics. 10 students are good in all three subjects. What is the number of students who are good in Hindi and Mathematics but not in English?