PDF chapter test TRY NOW
1. If \(3 + k\), \(18 - k\), \(5k + 1\) are in \(A.P.\) then find \(k\).
The value of \(k =\) .
2. In a theatre, there are \(20\) seats in the front row and \(30\) seats in the back row. Each row after the first has two more seats than the first. How many seats are there in the last row?
There will be seats in the last row.
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