Question

Q.2 Read the passage and ticks the correct option:
A number that is obtained by multiplying an integer by itself is called a
square number. A square number is always positive. All square numbers end
with 0,1,4,5,6 or 9 at unit's place but number of zeros should be even at the
end.
i) Which of the following is a perfect square number?
a) 1000
b) 10000
c) 10
ii) Which of the following is not a perfect square number?
a) 729
b) 1521
c) 128

Answer 1

Answer:

i. b. 10000

ii c.128 as its unit digit is 8

Answer 2

Answer:

option b .) 10000

is a perfect square of 100

option c.) 128