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Square And Square roots Class 8 Important questions




In this page we have Important questions for Square And Square roots Class 8 Maths . Hope you like them and do not forget to like , social share and comment at the end of the page.
Question 1
Find the square root of each of the following numbers by using the method of prime factorization:
(a) 121
(b) 441
(c) 625
(d) 729
(e) 1521
(f) 2025
(g) 4096
(h) 5776
(i) 8100
(j) 9216
(k) 11236
(l) 15876
(m) 18496


Question 2
Find the smallest number by which following number must be multiplied to get a perfect square. Also, find the square root of the perfect square so obtained.
  1. 1008
  2. 1280
  3. 1875

Question 3.
676 students are to be sit in a hall  in such a way that each row contains as many students  as the number of rows. Find the number of rows and the number of students in each row.

Question 4.
What could be the possible ‘one’s’ digits of the square root of each of the following numbers?
(i) 1801
(ii) 856
(iii) 1008001
(iv) 6577525

Question 5.
The students of a class arranged a gift for the class teacher. Each student contributed as many rupees as the number of students in the class. If the total contribution is Rs 1521, find the strength of the class.

Question 6.
Find the least number which when added to 4529 to make it a perfect square?

Question 7.
Find the least number which must be subtracted from 2361 to make it a perfect square?

Question 8
Find the smallest number by which following number must be divided to get a perfect square. Also, find the square root of the perfect square so obtained.
(i)600
(ii)2904

Question 9
Find the value of
$ \sqrt {176 + \sqrt {2401}}$

Question 10
Find the square root
(i).0151129
(ii) 83.3569

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