NCERT | VOCABULARY - L4 | 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 | L4 English Medium

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

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.

Assertion (A): Sodium perxenate (Na_(4)XeO_(6)) reacts with NaF in acidic medium to give XeO_(3) and F_(2) Reason (R ): XeO_(6)^(4-) is a stronger oxidant than F_(2) .