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Write the square, making use of the above pattern.
(i) 1111112 (ii) 11111112
Using above pattern we can write,
(i) (111111)2 = 12345654321
(ii) (1111111)2 = 1234567654321
Write five numbers which you cannot decide just by looking at their unit’s digit (or one’s place) whether they are square numbers or not.
Which of 1232, 772 822, 1612, 1092 would end with digit 1?
Which of the following numbers would have digit 6 at unit place.
(i) 192 (ii) 242 (iii) 262
(iv) 362 (v) 342
What will be the “one’s digit” in the square of the following numbers?
(i) 1234 (ii) 26387 (iii) 52698
(iv) 99880 (v) 21222 (vi) 9106
The square of which of the following numbers would be an odd number/an even number?
Why?
(i) 727 (ii) 158 (iii) 269 (iv) 1980
What will be the number of zeros in the square of the following numbers?
(i) 60 (ii) 400
How many natural numbers lie between 92 and 102? Between 112 and 122?
Find whether each of the following numbers is a perfect square or not?
(i) 121 (ii) 55 (iii) 81
(iv) 49 (v) 69
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