the students planted 295 plants.7plants planted in 1 row,12 plants are planted in 2 row.the number of plants in successive rows are in AP how many rows are there?
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Given total no. of plants =295
an=295
7 plants in 1 row, 12 plants in 2 row
Means Ap is 7,12,17.....
a=7
d=5
an=a+(n-1)*d
295=7+(n-1)*5
295-7=(n-1)*5
288=(n-1)*5
288+1
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