रासायनिक आबन्ध तथा आण्विक संरचना | Class11 रसायन विज्ञान | 10 AM Class By Nishtha Ma'am | L10 |

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

In class 12 there are 8 students. In class 11 there are 6 students .In class 10 there are 5 students . Total ways of selecting 10 students , such that there are at least 2 students from each class and at most 5 students from 11 students of Class 10 and 11 combined is 100k. Then find value of k

Class 10 Science (Hindi) | Chapter 1 | रासायनिक अभिक्रियाएँ एवं समीकरण | Important Questions | Quick Revision

There are 5 students in class 10, 6 students in class 11 and 8 students in class 12. If the number of ways, in which 10 students can be selected from them so as to include at least 2 students from each class and at most 5 students from the total 11 students of class 10 and 11 is 100 k, then k is equal to _______.

A train starts from Delhi at 6 : 00 AM and reaches Ambala Cantt at 10 AM. The other train starts from Ambala Cantt at 8 AM and reaches Delhi at 11:30 PM. If the distance between Delhi and Ambala Cantt. is 200 km, then at what time did the two trains meet each other ?

If the average age of 40 students in class I is 10 yr and the average age of 30 students in class II is 12 yr, then find the average age (in years) for all students. (A) 11 (B) 10.54 (C) 10.58 (D) 10.85

Abhinav leaves Mumbai at 6 am and reaches Bangalore at 10 am Praveen leaves Bangalore at 8 am and reaches Mumbai at 11 : 30 am. At what time do they cross each other?

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

While calculating mode the following observation are found. Lower limit of modal class =40, frequency of modal class =20, frequency of previous class =12 , frequency of preceding class =11 and width of the class =10, find mode .

A person starts walking from A towards B at 6 am and reaches at 10 am. Another person from B starts walking towards A at 8 am and reaches at 11:30 am. Find the time at which they will meet each other.