Number system | class 9

Number System- Introduction

Exmine the given graph carefully. In the graph show above represents the number of girls in a particular class and represents the number of boys in the same class. Read and answer the following questions. (i) Which class has the least number of students ? (ii) Which class has maximum number of students ? (iii) What is the ratio between the number of girls and the number of boys of class V.

What are enzymes? Discuss briefly the classification of enzymes according to I.U.B. system giving classical examples of each class.

The ratio of number of girls to the number of boys in a class is 5:4. If there are 25 girls in the class, then the number of boys in the class is

Model test paper class 9

The compound that causes general antidepressant action on the central nervous system belongs to the class of

The compound that causes general antirepressant action on the central nervous system belong to the class of "………"

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

In a certain mathematics class, the part of the class that are members of the math club is 50% of the rest of that class. The total number of math club members in this class is what percent of the entire class?

The number of girl students in each class of co-ed. Middle school is depicted by the following pictograph: Class, No. of girls, = 4 girls I, Figure, II, Figure, III, Figure, IV, Figure, V, Figure, VI, Figure, VII, Figure, VIII, Figure, Observe the above pictograph and answer the following questions: Which class has the maximum number of girl students? Is the number of girls in class VI is less than the number of girls in class V? How many girls are there in VII class?