NCERT 2022 | आव्यूह - L15 | matrix | Class 12 गणित | Hindi Medium | Akshay Sir | 5 PM |

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

A cylinder conatins 12 L of oxygen at 20^@ C and 15 atm the temperature is raised to 35 ^@ C . And the volume is reduced to 8.5 L . What is the final pressure of the gas in atmospheres ? Assume that the gas is ideal

Class 12 Maths (Hindi) | Chapter 3 आव्यूह | Important Questions | Quick Revision

The above Venn diagram represent the students who play 3 sports M, N and L in a class Total number of students who play N & L but not M game is: Options are (a) 15 (b) 68 (c) 9 (d) 12.

If A = ({:( 1,2,3),( 2,1,2),( 2,2,1) :}) and A^(2) -4A -5l =O where I and O are the unit matrix and the null matrix order 3 respectively if , 15A^(-1) =lambda |{:( -3,2,3),(2,-3,2),(2,2,-3):}| then the find the value of lambda

The following data : 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21,17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 –5, 5 –10, 10 –15 etc. Find the frequency of the class 20 –25.

If 2x% be the percentage error in specific resistance given by rho=(pir^(2)R)/(l) where r is the radius having value (0.2 om 0.01) cm, R is the resistance of (60 pm 3) ohm and l is the length of (150 pm 1.5) cm. Find x.

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