JEE | स्थिर वैद्युतिकी - L5 | static electricity | Class 12 भौतिक विज्ञान | Ravindra Sir | 6 PM

Circuit Theory - Current Electricity | Physics for JEE, NEET, CLASS 12

12:30 PM JEE Mains 2020 - Physics | Current Electricity - 30 Days Score Booster Course

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

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 _______.

The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12 Construct a grouped frequency distribution table with class size 5 for the data given above taking the first interval as 0-5 (5 not included). What main features do you observe from this tabular representation?

If in a frequency distribution table with 12 classes, the width of each class is 2.5 and the lowest class boundary is 6.1, then what is the upper class boundary of the highest class ?

In the arrangement shown in figure when the switch S_2 is open, the galvanometer shown no deflection for l=L//2 . When the switch S_2 is closed, the galvanometer shown no deflection for l=5L//12 . The internal resistance (r) of 6V cell, and the emf E of the other battery are respectively

The average age of a class was 15 years.When 5 boys whose average age was 12 years 6 months were admitted in the class,the average was reduced by 6months.How many students were there in the class originally?