There are 45 students in a class and `3/5` of them are boys. How many girls are there in the class?

There are 35 students in a class in wjhich there are 22 boys and 13 girls . The class teacher select either a boy or a girl for monitor of the class. In how many ways the class teacher can make this selection ?

There are 25 students in a class in which 15 boys and 10 girls. The class teacher select either a boy or girl for monitor of the class. In how many ways the class teacher can make this selection?

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 40 students in class X of a school of whom 25 are girls and 15 are boys. The class teacher has to select one student as a class representative. She writes the name of each student on a separate card, the cards being identical. Then she puts cards in a bag and stirs them thoroughly. She then draws one card from the bag. What is the probability that the name written on the card is the name of (i) a girl? (ii) a boy?

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?

There are 40 students in Class X of a school of whom 25 are girls and 15 are boys. The class teacher has to select one student as a class representative. She writes the name of each student on a separate card, the cards being identical. Then she puts cards in a bag and stirs them thoroughly. She then draws one card from the bag. What is the probability that the name written on the card is the name of (i) a girl?(ii) a boy?

In a class, there are 70 students. Thirty of them are girls and the rest are boys. What fraction of the class are boys?

On a new year day every student of a class sends a card to every other student. The post man delivers 600 cards. How many students are there in the class?

The number of girl students in each class of a co-educational middle school is depicted by the pictograph Observe this pictograph and answer the following questions :(a) Which class has the minimum number of girl students?(b) Is the number of girls in Class VI less than the number of girls in Class V?(c) How many girls are there in Class VII?