पृष्ठीय क्षेत्रफल और आयतन | Class 10 NCERT गणित | 7 PM Class by Kamal Sir | L1 Hindi Medium

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

The curved surface area and volume of a cylindrical pole are 132 square metres and 528 cubic metres, respectively. What is the height (In m) of the pole? (Take pi = 22/7 ) एक बेलनाकार स्तम्भ का वक्र पृष्ठीय क्षेत्रफल और आयतन क्रमशः 132 वर्ग मीटर और 528 घन मीटर है। स्तम्भ की ऊंचाई (मीटर में) क्या है?

The curved surface area and volume of a cylinder are 264 square cm and 924 cubic cm, respectively. What is the ratio of its radius to height? (Take pi = 22/7 ) एक बेलन का पृष्ठीय क्षेत्रफल और आयतन क्रमशः 264 वर्ग सेमी और 924 घन सेमी है। इसकी त्रिज्या और ऊँचाई का अनुपात क्या है?

The ratio of total surface area and volume of a sphere is 1 : 7. This sphere is melted to form small spheres of equal size. The radius of each small sphere is 1/6th the radius of the large sphere. What is the sum (in cm^2 ) of curved surface areas of all small spheres? एक गोले के कुल पृष्ठीय क्षेत्रफल तथा आयतन का अनुपात 1 : 7 है। इस' गोले को पिघलाकर बराबर माप के छोटे गोले बनाये जाते है। प्रत्येक छोटे गोले की त्रिज्या बड़े गोले की त्रिज्या 1/6 हैं सभी छोटे गोलों के वक्र पृष्ठीय क्षेत्रफल का योग ( से.मी.^2 में) क्या है?

The ratio of curved surface area and volume of a cylinder is 1: 7. The ratio of total surface area and volume is 187 : 770. What is the respective ratio of its base radius and height? एक बेलन के वक्र पृष्ठीय क्षेत्रफल तथा आयतन का अनुपात 1 : 7 है। कूल पृष्ठोय क्षेत्रफल तथा आयतन का अनुपात 187 : 770 है। इसके आधार की त्रिज्या तथा ऊँचाई क्रमशः अनुपात क्या है? Option 1- 5 : 8 Option 2- 4 : 9 Option 3- 3 : 7 Option 4- 7 : 10

NEET 2020 - Revision In 60 Days | NCERT Class 11 Chapter 7 Structural Organisation of Animals Part -1 | NEET Biology

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?

The number of students in classes A and B are 60 and 70, respectively. The average score in mathematics of students in B is 57 and that of all students in A and B is 63. What is the average score of students in A? कक्षा A और B में छात्रों की संख्या क्रमश: 60 और 10 है | B में गणित में छात्रों का औसत अंक 57 तथा A और B के सभी छात्रों का गणित में औसत अंक 63 है |A के छात्रों का औसत अंक ज्ञात करें |

Ratio of the fares of First ,Second and Third class catogory of a train , between two stations is 10:7:2 and the ratio of passenger travelling in these category is 4:9:17 respectively .If the fare is increased by 1/4 in First class , 1/8 in second class and decreased by 10% i Third Class and the ratio of number of passenger in the category remains same .If the total amount received of Rs. 60590 , then find the total amount received from thrid class category .