In a flower bed, there are 23 rose plant...

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. Then, the number of rows in the flower bed is.

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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 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,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?

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] .

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 .

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?

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 .

19625 trees have been equally planted in 157 rows. Find the number of trees in each row.

1225 plants are to be planted of rows. Find the number of rows and the number of plants in each row.

ARIHANT PUBLICATION JHARKHAND-SOLVED PAPER 2018 -SECTION I : MATHEMATICS

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