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

Paheliyan and Detective Riddles To Test Your Brain| Hindi Paheliyan | Mind Your Logic

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

It is known that in a group of people, each of which speaks at least one of the languages English, Hindi and Bengali, 31 speak English, 36 speak Hindi and 27 speak Bengali. 10 speak both English and Hindi, 9 both English and Bengali and 11 both Hindi and Bengali. Using a Venn diagram or otherwise, prove that the group contains at least 64 people and not more than 73 people.

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

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?

In a class, 30% students fail in English, 20% students fail in Hindi and 10% students fail in both English and Hindi. A student is chosen at random, then what is the probability he fail in English, if he has failed in Hindi?