Home
Class 10
MATHS
Under a project of "one child one tree u...

Under a project of "one child one tree undertaken by a school students plant the trees in a pattern of first row three plants, second row 5 plants and 3rd row 7 plants and so on. The last row has 37 plants. Find the number of students in the school.

Text Solution

Verified by Experts

The correct Answer is:
360 students
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER-2

    KUMAR PRAKASHAN|Exercise Section B|14 Videos

  • QUESTION PAPER -1

    KUMAR PRAKASHAN|Exercise SECTION D ( Answer the following as required with calculations) |1 Videos

  • REAL NUMBERS

    KUMAR PRAKASHAN|Exercise TEST YOUR SKILLS|26 Videos

Similar Questions

Explore conceptually related problems

In a flower bed , there are 23 rose plants in the first row , 21 in the second , 19 in the third , and so on. There are 5 rose plants in the row. How many rows are there in the flower bed ?

In a flower bed, there are 23 rose plants in the first row, 21 in the second, 19 in the third, and so on. There are 5 rose plants in the last row. How many rows are there in the flower bed?

In a school, students thought of planting trees in and around the school to reduce air pollution. It was decided that the number of trees, that each section of each class will plant, will be the same as the class, in which they are studying, e.g., a section of Class I will plant 1 tree, a section of Class II will plant 2 trees and so on till Class XII. There are three sections of each class. How many trees will be planted by the students?

In a, school , students thought of planting trees in and around the school to reduce air pollution . It was decided that the number of trees , that each section of each class will plant, will be the same as the class, in which they are studying, e.g., a section of class I will plant 1 tree , a section of class II will plant 2 trees and so on till Class XII. There are three sections of each class. How many trees will be planted by the students ?

A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality . Find the mean number of plants per house. {:("Number of plants ",0-2,2-4,4-6,6-8,8-10,10-12,12-14),("Number of houses "," "1," "2," "1," "5," "6," "2," "3):} Which method did you use for finding the mean, and why ?

The Class X students of a secondary school in Krishinagar have been allotted a rectangular plot of land for their gardening activity. Sapling of Gulmohar are planted on the boundary at a distance of 1 m from each other. There is a triangular grassy lawn in the plot as shown in the given figure. The students are to sow seeds of flowering plans on the remaining area of the plot. (1) Taking A as origin, find the coordinates of the vertices of the triangle. (2) What will be the coordinates of the vertices of Delta PQR if C is the origin ? Also calculate the areas of the triangles in these cases. What do you observe ?

100 plants each were planted in 100 schools during Van Mahotsava. After one month, the number of plants that survived were recorded as: Present this data in a condensed tabular form so that a reader can make sense of it easily

Randomly selected one person from rural area for the following study. It is found that probability of an event that person has botanical allergy (i.e. plants allergy) is (7)/(20) & probability by sand and plant is (3)/(17) . If person has allergy by plants then find the probability that person has allergy by sand.