NCERT | VOCABULARY - L5 | Hindi Medium | English Medium | Class6-12 | RUBENA Ma'am | 3PM | Doubtnut

12 PM Special Class | Class 11 - STRUCTURE OF ATOM || BOHR MODEL By Yakshu Ma'am

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

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?

100 ml of Na_(2)S_(2)O_(3) solution is divided into two equal two parts A and B . A part requires 12.5 ml of 0.2 M I_(2) solution (acidic medium) and part B is diluted x times and 50 ml of diluted solution requires 5 ml of 0.8 M I_(2) solution in basic medium. What is value of x ?

In a state with a population of 75 x 10^6, 45% of them know Hindi, 22% know English, 18% know Sanskrit, 12% know. Hindi and English, 8% know English and Sanskrit, 10% know Hindi and Sanskrit and 5% known all the three languages What is the number of people who do not know any of the above three languages? What is the number of people who know only Hindi . What is the number of people who know only Sanskrit? What is the number of people who know only English? What is the number of people who know only one language? What is the number of people who know only two languages?

Class 11 के बाद क्या ? Class 12 Hindi Medium की पढ़ाई साल के शुरू से कैसे करें ?

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

Translate the following statement into symbolic into symbolic from. (i) Rahul passed in Hindi and English. (ii) x and y are even integers. (iii) 2, 3 and 6 are factors of 12. (iv) Either x or x + 1 is an odd integer. (v) A number is either divisible by 2 or 3. (vi) Either x= 2 or x = 3 is a root of 3x^(2) - x - 10= 0 (vii) Students can take Hindi or English as an optional paper.