ऐल्डिहाइड, कीटोन एवं कार्बोक्सिलिक अम्ल | Class 12 रसायन विज्ञान | 9 AM Class By Ram Sir | L16 |

एल्डोल संघनन|ऐल्डिहाइड, कीटोन एवं कार्बोक्सिलिक अम्ल|क्रियाविधि|Cross एल्डोल|अन्त अणुक ऐल्डॉल अभिक्रिया|OMR

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

Ratio of First ,Second and Third Class train fares between two stations was 8:6:3 .First Class and Second Class train fares are reduced by 1/6 and 1/12 repectively .Ratio of no of passengers in first, second and third class in a year is 4:9:24 .From a stattion total sale of ticket of Rs. 355600 .First the amount collected from first class .

Class 12 Maths | Chapter 1 | संबंध एवं फलन | Important Questions | Quick Revision

The average weight of 90 girls in a class is 20. The average weight of a group of 16 girls in the class is 12 kg and the average weight of another 34 girls in the class is 16. What is the average weight of the remaining girls in the class ?

Write the class size of 0-4,5-9, 10-14 Write the class limits in 10.4-11.4, 11.4- 12.4

In a class of 60 students, the average age of 25 girls is 12 yr and boys is 14 yr. Two of the students aged 16 and 14 yr leave the class and are replaced by 3 students of ages 12,11 and 10 yr, Find the change in average age of the class.

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.