NCERT 2022 | समुच्चय - L22 | Sets | Hindi Medium | Class 11 गणित | Jitendra Sir | 10 AM |

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

There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. Ten students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English? (a) 21, 11 and 29 respectively (b) 28, 18 and 22 respectively (c) 37, 27 and 13 respectively (d) 39, 29 and 11 respectively

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 ?

Form a grouped frequency distribution from the following data by inclusive method taking 4 as the class size of class intervals. 31, 23, 19, 29, 22, 20, 16, 10, 13, 34, 38, 33, 28, 21, 15, 18, 36, 24, 18, 15, 12, 30, 27, 23, 20, 17, 14, 32, 26, 25, 18, 29, 24, 19, 16, 11, 22, 15, 17,10

If two circles with cenre (1,1) and radius 1 and circle with centre (9,1) and radius 2 lies opposite side of straight line 3x+4y=lamda . The set of values of lamda is (A) [12, 21] (B) [13,22] (C) [10,18] (D) [15,24]

A word is represented by only one set of numbers as given in any one of the alternatives . The sets of numbes given in the alternatives are represented by two classes of alphabets as shown in the given two matrices . The columns and rows of Matrix-I are numbered from 0 to 4 and that of Matrix -II are numbered from 5 to 9 . A letter from these matrices can be represented first by its row and next by its column for example P can be represented by 22, 75 etc, and L can be represented by 20 , 78 etc . Similarly you have to indentify the set for the word WATCH .