Indus Valley Civilisation Part 1 | Hindi/English

In Indus valley Civilisation (about 3000 BC), the bricks used for construction work were having dimensions in the ratio

Evolution part 1|class 12

In a group of 950 persons, 750 can speak Hindi and 460 can speak English. Find: How many can speak both Hindi and English. How many can speak English only. How many can speak Hindi only

In a survey of 100 students, how many of students studying the various languages were found to study: English only 18, English but not Hindi 23, English and Sanskrit 8, English 26, Sanskrit 48, Sanskrit and Hindi 8, no language 24 Find:(i) how many students were studying Hindi (ii) how many students were studying English and Hindi

Who launched a new app 'Bolo' in India to help children in primary school learn to read in Hindi and English?

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 group of 800 people, 550 can speak Hindi and 450 can speak English. How many can speak both Hindi and English?

In a group of 400 people, 250 can speak Hindi and 200 can speak English. How many people can speak both Hindi and English?

In a group of400 people, 250 can speak Hindi and 200 can speak English. How many people can speak both Hindi and English?

In a hostel 60% of the students read Hindi news paper, 40% read English news paper and 20% read both Hindi and English news papers. A student is selected at random. (a) Find the probability that she reads neither Hindi nor English news papers. (b) If she reads Hindi news paper, find the probability that she reads English news paper. (c) If she reads English news paper, find the probability that she reads Hindi news paper.