Class 10 Mathematics
1)
Subsistence farming- the earliest form of
agriculture that is meant to provide for the needs of family or small group.
Manohar Lal, a farmer in remote area has a small piece of land. He grows 1000
saplings in his field in rows such that each succeeding row has 5 saplings less
than the previous one and the first row has 100 saplings.
Use the above information to answer the questions
that follow:
- How many
saplings will be there in 10th row?
(ii) How
many minimum rows are required to grow 1000 saplings?
OR
If 1000
saplings are to be grown, how many saplings are required to be put after 10th
row?
iii) If
there are 25 rows in the field, how many saplings are there in middle row?
2)
Two taps running together can fill a
tank in 40/13 hours. If one tap takes 3
hours more than the other to fill the tank, then how much time will each tap
take to fill the tank ?
3)
The total cost of a certain length of a piece of
cloth is ₹ 200. If the piece was 5 m longer and each metre of cloth costs ₹ 2
less, the cost of the piece would have remained unchanged. How long is the
piece and what is its original rate per metre?