CLASS 8 MATHS CHAPTER 6 – SQUARES AND SQUARE ROOTS

Exercise 6.1 Question 1. What will be the unit digit of the squares of the following numbers:(i) 81(ii) 272(iii) 799(iv) 3853(v) 1234(vi) 26387(vii) 52698(viii) 99880(ix) 12796(x) 55555 Solution :(i) The number 81 contains its unit’s place digit 1. So, square of 1 is 1.Hence, unit’s digit of square of 81 is 1.(ii) The number 272 …

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