A gardener has 1300 saplings. He wants to plant these in such a way that the number of columns and the number of rows remain same. Find the least number of more saplings he needs for this.
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Answer:
Take square root of 1300 by division method.
√1300 = 36 + remainder 4
(36+1)(36+1)
=37×37
=1369
The least number = 1369 - 1300
=69 Ans
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