Can you find the square of the following numbers using the above pattern?
(i) 66666672 (ii) 666666672
Using the above pattern, we can have,
(i) 66666672 = 44444448888889
(ii) 666666672 = 4444444488888889
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
Do you think the reverse is also true, i.e. is the sum of any two consecutive positive integers is perfect square of a number? Give example to support your answer.
Mock Test Series
