Continuity class 12

The width of each of five continuous classes in a frequency distribution is 5 and the lower class limit of the lowest class is 10. The upper class limit of the highest class is

Evolution part 1|class 12

Evolution part2 |class 12

Nisha started going for judo classes. Each class was for 1(3)/(4) hour per day. If Nisha discontinued her classes after 12 days, how many hours of classes did Nisha take?

Discuss the continuity and differentiability of the function f(x)=|x|+|x-1| in the interval (-1,2) .

In an Art class, the teacher gives 3 pencils to each student and has 5 pencils left over. a. Find the rule for the number of pencils the teacher had at the beginning of the class. b. If the number of students in the class is 12, find the number of pencils the teacher had at the beginning of the class.

In a class , 45 % of students are girls, If there are 22 boys in the class, then the total number of students in the class is

In a class, the number of boys is 3/2 times the number of girls. If there are 55 students in the class, find the number of boys and girls in the class.

There are 42 boys and 18 girls in a class. What is the percentage of boys in the class ?

In a class of 40 students, 45% are girls. Find the number of boys in the class .