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Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


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Ex 5.3, 2 Without doing any calculation, find the numbers which are surely not perfect squares. (i) 153A number is not a perfect square, if it ends with 2, 3, 7, 8 or if it has odd number of zeroes Since, 153 ends with 3 153 is not a perfect square.

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.