सारणिक Determinants - परिचय एवं उदाहरण || 12th Maths NCERT Ch 4 L 1 Best Concept By Deepak Sir

Class 12 Maths | Chapter 4 | Determinants | Important Questions | Quick Revision| Part 1

Meeta correctly remembers that her father's birthday is after 8th July but before 12th July. Her brother correctly remembers that their father's birthday is after 10th July but before 15th July. On which day of July was definitely their father's birthday ? 1) 10th 2) 11th 3) 10th or 11th 4) Can't be determined 5) None of these

Given question are based on the given English, alphabet series. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z How many letters are in the middle between 6th and 19th letters from the left? 1) 11 2) 13 3) 10 4) 12 5) None of these

Class 12 Maths (Hindi) | Chapter 4 सारणिक | Important Questions | Quick Revision | Part-1

A certain gas occupies a volume of 0.76 L at a pressure of 1.2 atm and a temperature of 4000 K. It is expanded adiabatically to a volume of 4.3 L. Determine (a) the final pressure and (b) the final temperature, assuming the gas to be an ideal gas for which gamma = 1.4.

Ths standard heat of formation of CH_(4), CO_(2) and H_(2)O_(l) are -76.2, -394.8, and - 285.82 kJ mol^(-1) respectively. Heat of vaporization of water is 44 kJ mol^(-1) . Calculate the amount of heat evolved when 22.4 L to CH_(4) kept under normal conditions is oxidized into its gaseous products.

STATEMENT-1 : The 19^(th) electron in potassium atom enters into 4s-orbital than in 3d-orbital. and STATEMENT-2 : (n+1l) rule is followed for determining the orbital of lowest energy state.

This question is based on the following alphabet series. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z If the first 6 letters are written in reversed order, then the next 5 letters are written in reversed order and again next 6 letters are written in reversed order then which letter is in the middle between 7th letter from the left and 12th letter from the right? 1) G 2) T 3) H 4) U 5) None of these

Case Study: The purpose of discipline in the workplace is to input of quality in a timely manner. So, two offices A and B want to award their employees on the values of Honesty, Hard work and Punctuality. Rewarding is a way of motivating one person to perform 'better. The office A wants to award Rs x each, y each and Rs z each for the three respective values to its 3, 2 and 1 employees respectively with a total award money of Rs 2200. Office B wants to spend * Rs 3100 to award its 4, 1 and 3 employees on the respective values (by giving the same award money to the three values as office A). The total amount of award for one prize on each value is Rs 1200. It also serve as a healthy competition between employees for becoming a best asset of the company. Using the concept of matrices and determinants, answer the following questions. The minor of element 6 in the determinant |{:(1,2,3),(4,5,6),(7,8,9):}| is :