Question

Section-1
Case study based questions are compulsory. Attempt any four
sub parts of each question. Each subpart carries 1 mark
17.Case Study based-1
Reema Being a plant lover, decides to open a nursery and she buys a few
plants with pots. She wants to piace pots in such a way that the number of
pots in the first row is 3, in the second row is 5 and in the third row is 7
and so on.
Answer the following questions:
ii) 10
a) If Reema wants to place 120 pots in total then the total number of rows
formed in this arrangement is ....
1) 12
il) 14 iv) 8
b) How many pots are placed in the last row?
i) 22 1) 12 il) 21
iv) 24
c) Find the difference in number of pots in 7 and 3 row?
i) 5 ii) 8 ii) 7 iv) 10
d) If Reema has sufficient space for 20 rows then how many total numbers
of pots are placed by her with the same arrangement.
i) 400 11)440 )240 iv) 200
e) If for an AP a, = 5n+4 find the common difference.
1) 5
18. Case Study 2
iv) 9​

Answer 1

Answer:

thanks for free points

Answer 2

Answer:

The tundra biome is the coldest and one of the largest ecosystems on Earth. It covers about one-fifth of the land on the planet, primarily in the Arctic circle but also in Antarctica as well as a few mountainous regions. ... The word tundra comes from the Finnish word tunturia, which means 'treeless plain.