NCERT 2022 | समुच्चय - L21 | 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

In a class Seema is 10th from the top and Bablee is 20th from the bottom. Raju is 11 ranks below Seema and 21 ranks above Bablee. How many students are in the class if list includes all the students of the class? 1) 60 2) 61 3) 62 4) Data inadequate 5) None of these

The following series show marks in economics of 11 students of Class XI . Find the median marks. {:("Marks",17,32,35,33,15,21,41,32,11,10,20):}

A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={3,9,15,21,27,33...,99} If a least and a greatest element of Set C are transferred from Set C to Set A then the average of Set A :

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 ?

A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={3,9,15,21,27,33...,99} If an element greater than 50 of Set C is also included in the Set B,then the average of B :