In a flower bed there are 23 rose pla...

In a flower bed there are 23 rose plants in the first row, twenty one in the second row, nineteen in the third row and so on. There are five plants in the last row. How many rows are there in the flower bed?

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

DEFINITE INTEGRATION & ITS APPLICATION
RESONANCE|Exercise High Level Problem|37 Videos
EQUATIONS
RESONANCE|Exercise EXERCISE-2 (PART-II: PREVIOUSLY ASKED QUESTION OF RMO) |7 Videos

Similar Questions

Explore conceptually related problems

In a flower bed, there are 51 plants in the first row, 48 plants in the second row, 45 plants in the third row and so on. There are 12 plants in the last row. How many rows are there in the flower bed?

In a flower bed, there are 43 rose plants in the first row, 41 in the second, 39 in the third, and so on. There are 11 rose plants in the last row. How many rows are there in the flower bed?

In a rose garden, there are 32 rose plants in the first row, 29 in the second row, 26 in the third row and so on. There are 5 rose plants in the last row. How many rows of rose plants are there in the rose garden ?

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 garden bed , there are 33 rose plants in first row , 30 in the second , 27 in the third and so on . There are 3 rose plants in the last row . How many rows are there of rose plants ? Also , find the total number of rose plants in the garden .

Assertion (A) : There will be 10 rows in the flower bed if there are 23 plants in the first row , 21 in the second row , 19 in the third and so on .Also 5 rose plants are in the last row. Reason (R ) : Sum of first n terms of an A.P is given by S_(n)=(N)/(2)[2a+(n-1)d] .

There is an auditorium with 35 rows of seats. There are 20 seats in the first row, 22 seats in the second row, 24 seats in the third row and so on. Find the number of seats in the twenty second row .

How many Horizontal rows are there in the periodic table ?

In a row of trees one tree is the 7th from either end of the row. How many trees are there in the row ?

RESONANCE-DPP-QUESTION

We are required to form different words with the help of the word INTE...
Text Solution
|
If the lines a x+2y+1=0,b x+3y+1=0a n dc x+4y+1=0 are concurrent, then...
Text Solution
|
If the point (1+cos theta, sin theta) lies between the region correspo...
Text Solution
|
The line 2x+3y=12 meets the x-axis at A and the y-axis at B . The line...
Text Solution
|
Equation of straight line a x+b y+c=0 , where 3a+4b+c=0 , which is at ...
Text Solution
|
If the straight lines joining the origin and the points of intersectio...
Text Solution
|
Statement-1 :Perpendicular from origin O to the line joining the point...
Text Solution
|
The point (11 ,10) divides the line segment joining the points 5,-2 an...
Text Solution
|
The algebraic sum of the perpendicular distances from A(x1, y1), B(x2,...
Text Solution
|
In a flower bed there are 23 rose plants in the first row, twenty o...
Text Solution
|
A committee of 10 is to be formed from 8 teachers and 12 students of w...
Text Solution
|
5 boys & 4 girls sit in a straight line. Find the number of ways in wh...
Text Solution
|
The equations of the perpendicular bisectors of the sides A Ba n dA C ...
Text Solution
|
Area of triangle A B C is (in sq. units) (36)/5 (b) (18)/5 (c)...
Text Solution
|
The sum of the series 3/(1^2)+5/(1^2+2^2)+7/(1^2+2^2+3^2)+..... upto n...
Text Solution
|
Find equations of acute and obtuse angle bisectors of the angle betwee...
Text Solution
|
If 4a^2+c^2=b^2-4a c , then the variable line a x+b y+c=0 always passe...
Text Solution
|
Consider a grid with 8 parallel vertical edges and 9 parallel horizont...
Text Solution
|
A insects initially at origin has to move from (0,0) to (6,6). It move...
Text Solution
|
Find the number of ways in which the letters A, B, C, D, E, F can be p...
Text Solution
|