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1) In a certain AP, 5 times the 5th term is equal to 8 times the 8th term, then its 13th term is equal to
2) 2,4,6,8,10,12,… is
3) The sum of 5 numbers in AP is 30 and sum of their squares is 220. Which of the following is the third term ?
4) An AP consist of 31 terms if its 16th term is m, then sum of all the terms of this AP is
5) 25 trees are planted in a straight line 5 metres apart from each other. To water them the gardener must bring water for each tree separately from a well 10 metres from the first tree in line with the trees. How far will he move in order to water all the trees beginning with the first if he starts from the well ?