वृत्तों से सम्बंधित क्षेत्रफल | Class 10 NCERT गणित | 7 PM Class By Amit Sir | L5 | 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 ?

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?

Between two railway station the ratio of fare of 1^(st) and 2^(nd) class was 10:7 and later on the fare is increased in the ratio 3 : 4 and 5: 9 respectively. If the ratio of no. of passengers of both tier is 3 : 5 and total fare is Rs 30900 then find the total fare of 2^(nd) tier.

Class 10 Maths (Hindi) | Chapter 5 समांतर श्रेढ़ियाँ | Important Questions and Quick Revision

The following data : 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21,17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 –5, 5 –10, 10 –15 etc. Find the frequency of the class 20 –25.

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?

Class 10 Maths (Hindi) | Chapter 7 निर्देशांक ज्यामिति | Important Questions and Quick Revision

The probabilities of a student getting first class or second class or third class in an examination are (2)/(7) , (3)/(5) ,(1)/(10) respectively . The probability that the students fails is .