त्रिकोणमिति के कुछ अनुप्रयोग | Class 10 NCERT गणित | 3 PM Class by Amit Sir | L8 Hindi Medium

Acids,Bases and pH - Class 10 Science | 7 PM Master Class By Vipin Sir

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

The train ticket fare from places A to B in 2nd class AC and 3rd class AC is Rs.2,500 and Rs.2,000, respectively. If the fares of 2nd class AC and 3rd class AC are increased by 20% and 10%, respectively, then find the ratio of the new fares of 2nd class AC and 3rd class AC. स्थान A से स्थान B तक रेलगाड़ी का द्वितीय श्रेणी ए.सी. और तृतीय श्रेणी ए.सी. का किराया क्रमशः रु.2,500 और रु.2,000 है। यदि द्वितीय श्रेणी ए.सी और तृतीय श्रेणी ए.सी. के किराए में क्रमशः 20% और 10% की वृद्धि हो जाए, तो द्वितीय श्रेणी एसी. और तृतीय श्रेणी ए.सी. के नए किराए का अनुपात ज्ञात कीजिए।

Class 10 Maths (Hindi) | Chapter 8 | त्रिकोणमिति का परिचय | Important Questions and Quick Revision

Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows: 1 6 2 3 5 12 5 8 4 8 10 3 4 12 2 8 15 1 17 6 3 2 8 5 9 6 8 7 14 12 (i) Make a grouped frequency distribution table for this data, taking class width 5 and one of the class intervals as 5 - 10. (ii) How many children watched television for 15 or more hours a week?

In a class 80 students the boys and girls are in the ratio of 5 : 3. The students can speak only Hindi or Engish or both Hindi and English. The number of boys and the number of girls who can speak only Hindi is equal and each of them is 40% of the total number of girls. 10% of the girls can speak both the languages and 58% of the boys can speak only English What percentage of boys and girls can speak only Hindi?

The ages (in years) of 50 students of a class in a school are given below: Age (in years): 14 15 16 17 18 Numbers of students: 15 14 10 8 3 Find the mean age.

The marks obtained by 40 students of class IX in an examination are given below: 18, 8, 12, 6, 8, 16, 12, 5, 23, 2, 16, 23, 2, 10, 20, 12, 9, 7, 6, 5, 3, 5, 13, 21, 13, 15, 20, 24, 1, 7, 21, 16, 13, 18, 23, 7, 3, 18, 17, 16 Present the data in the form of a frequency distribution using the same class size, one such class being 15-20 (where 20 is not included)

The marks obtained by 40 students of class VIII in an examination are given below: 18,8,12,0,8,16,12,5,23,2,16,23,2,10,20,12,9,7,6,5,3,5, 13,21,13,15,20,24,1,7,21,16,13,18,23,7,3,18,17,16 Present the data in the form of a frequency distribution using the same class size, one such class being 15-20 (where 20 is not included).