Class 11th ne Kaise pooja maam ki life change kari

Why Class 11th is Very Important?

Rakhi is a student of class 11th, she is strolling in a park near to her house. She saw a fat girl being teased by two thin playmates. They are playing see-saw. Rakhi enquired why they are teasing their playmate and why they are not allowing her to sit on see-saw. Two thin girls replied that it is not possible to play see-saw with the fat girl as she is very heavy for any of them. Rakhi told them if the fat girl sits slightly near towards the middle part then, they can see-saw even with her. And finally that fat girl is see-sawing with one of thin girl. They finally learn to play that game together (i) What technique is told by Rakhi to little girls? (ii) If mass of fat girl is 30 kg and thin girls are of 20 kg (each), then to operate see-saw properly what will be the ratio of their distances from the pivot of plank? (iii) What values are indicated by Rakhi? (iv) What values are indicated by little girls?

The number of students in 3 classes are in the ratio 2:3:4. If 12 students are increased in each class, this ratio changes to 8:11:14. The total number of students in the three classes in the beginning was

Puberty is the period in life at which sexually immature boy or girl becomes sexually mature and capable of reproduction. It happens to be at the age of 11 to 13 years in girls and 13 to 16 years in boys. However, the period may vary from person to person. Puberty ends when an adolescent reaches the reproductive maturity. At puberty, certain changes occur both in boys and girls. Some changes are common in girls and boys such as increase in height, changes in body shape, changes in voice box and voice, etc. Adolescents are also called

Puberty is the period in life at which sexually immature boy or girl becomes sexually mature and capable of reproduction. It happens to be at the age of 11 to 13 years in girls and 13 to 16 years in boys. However, the period may vary from person to person. Puberty ends when an adolescent reaches the reproductive maturity. At puberty, certain changes occur both in boys and girls. Some changes are common in girls and boys such as increase in height, changes in body shape, changes in voice box and voice, etc. Which of the following changes does not occur at puberty?

Puberty is the period in life at which sexually immature boy or girl becomes sexually mature and capable of reproduction. It happens to be at the age of 11 to 13 years in girls and 13 to 16 years in boys. However, the period may vary from person to person. Puberty ends when an adolescent reaches the reproductive maturity. At puberty, certain changes occur both in boys and girls. Some changes are common in girls and boys such as increase in height, changes in body shape, changes in voice box and voice, etc. Which of the following is the most important change that marks the onset of puberty?

Puberty is the period in life at which sexually immature boy or girl becomes sexually mature and capable of reproduction. It happens to be at the age of 11 to 13 years in girls and 13 to 16 years in boys. However, the period may vary from person to person. Puberty ends when an adolescent reaches the reproductive maturity. At puberty, certain changes occur both in boys and girls. Some changes are common in girls and boys such as increase in height, changes in body shape, changes in voice box and voice, etc. Which of the following statements are correct? (I) Girls have a high pitched voice. (II) Salivary glands are ductless glands. (III) All body parts do not grow at the same rate. (IV) At puberty, no increase in height takes place.

Number of students in 4th and 5th class in the ratio 6:11. 40% in class 4 are girls and 48% in class 5 are girls. What percentage of students in both the classes are boys ?

If the average marks of 17 students in a class is A. The marks of the students when arranged in either an ascending or a descending order was found to be in arithmetic progression. The class teacher found that the students who were ranked 3rd, 7th, 8th, 11th, 15th had copied in the exam and hence got all of them rusticated. The average of the remainder of the class was B. Then