If sum of n terms is given by S_{n} = 3n^{2} + 5n, then the common difference of this AP is:
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An athlete wants to improve his stamina, so he decides to increase the distance he runs by half a kilometer every day. If he starts with 5 km on first day, find how much he runs on the 10 th day
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Which term of the A.P 10,8,6,… will be the first negative term?
During the festival season , a girl wants to prepare a design at the entrance to her house. The pattern is such that starting with one dot she wants to go on increasing the number of dots by 3 every time. In which row will she have 55 dots?
Find the fifth term of an A.P whose first term is 1 and common difference is 3
126 videos477 docs105 tests

126 videos477 docs105 tests
