NCERT 2022 | संबंध एवं फलन - L10 | relation and function | Class 12 गणित | Jitendra Sir | 11 AM |

Class 12 Maths | Chapter 1 | संबंध एवं फलन | Important Questions | Quick Revision

There are 5 students in class 10, 6 students in class 11 and 8 students in class 12. If the number of ways, in which 10 students can be selected from them so as to include at least 2 students from each class and at most 5 students from the total 11 students of class 10 and 11 is 100 k, then k is equal to _______.

Class 12 Maths Chapter 1 Relations And Functions Important Questions | CBSE Board Quick Revision

If the average age of 40 students in class I is 10 yr and the average age of 30 students in class II is 12 yr, then find the average age (in years) for all students. (A) 11 (B) 10.54 (C) 10.58 (D) 10.85

In class 12 there are 8 students. In class 11 there are 6 students .In class 10 there are 5 students . Total ways of selecting 10 students , such that there are at least 2 students from each class and at most 5 students from 11 students of Class 10 and 11 combined is 100k. Then find value of k

Study the following information and answer the questions given below it : The admission ticket for an exhibition bears a password which is changed after every clock hour based on set of words chosen for each day. The following is an illustration of the code and steps of rearrangement for subsequent clock hours. The time is 9 am to 3 pm Batch I (9 am to 10 am) : is not ready cloth simple harmony burning Batch II (10 am to 11 am) : ready not is cloth burning harmony simple Batch III ( 11 am to 12 noon) : cloth is not ready simple harmony burning Batch IV (12 noon to 1 pm) : not is cloth ready burning harmony simple Batch V (1 pm to 2 pm) : ready cloth is not simple harmony burning and so on. If the password for 11 am to 12 noon was --- 'soap shy miss pen yet the she', what was the password for Batch I ?

The marks obtained (out of 20) by 30 students of a class in a test are as follows: 14, 16, 15, 11, 15, 14, 13, 16, 8, 10, 7, 11, 18, 15, 14, 19, 20, 7, 10, 13, 12, 14, 15, 13, 16, 17, 14, 11, 10, 20. Prepare a frequency distribution table for the above data using class intervals of equal width in which one class interval is 4-8 (excluding 8 and including 4).

Class 12 Maths Most Important Questions | Inverse Trigonometric Functions | NCERT