Question

17. If the sum of first ten terms of an A.P. is 4 times the
sum of the first five terms, then find the ratio of the
first term to the common difference,

18. In a nursery, 37 plants have been arranged in the first
row, 35 in the second, 33 in the third and so on. If
there are 5 plants in the last row, how many plants
are there in the nursery.

19. 200 logs are stacked in the following manner :
20 logs in the bottom row, 19 in the next, above it,
18 in the row above it and so on. In how many rows
are the 200 logs placed and how many logs are there
in the top row?

Can someone solve this,no spam otherwise you will be reported!

Answer 1

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Answer 2

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