कार्बन और इसके यौगिक | Class 10 NCERT विज्ञान | 8 AM Class By Shilpa Ma'am | L7| Hindi Medium

12 PM Special Class | Class 11 - STRUCTURE OF ATOM || BOHR MODEL By Yakshu Ma'am

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 .

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?

Ashok left from place A for place B at 8 a.m. and Rahul left place B for place A at 10.00 a.m. the dis-tance between place A and B is 637 km. If Ashok and Rahul are travelling at a uniform speed of 39kmph. and 47 kmph respectively, at what time wilt they meet? 5: 30 b. 4: 30 c. 5 p m d. 4 p m

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

A train M leaves station X at 5 a.m and reaches station Y at 9 a.m. Another train N leaves station Y at 7 a.m. and reaches station X at 10.30 a.m. At what time do the two trains cross each other? 7. 36 adotmdot b. 7. 56 adotmdot c. 8. 36 adotmdot d. 8. 56 adotmdot

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