Which of the following can be a perfect square? * 1 point (a) A number ending in 3 or 7 (b) A number ending with odd number of zeros (c) A number ending with even number of zeros (d) A number ending in 2.
Answers
Answer:
please mark me
Step-by-step explanation:
This discussion on Which of the following can be a perfect square? a)A number ending in 3 or 7b)A number ending with odd number of zerosc)A number ending with even number of zerosd)A number ending in 2. Correct answer is option 'C'.
Step-by-step explanation:
(a) There is no perfect square number that ends in 3 or 7 because all perfect squares end with 0, 1, 4, 5, 6 and 9.
(b) There is no perfect square number that ends with odd number of zeros, e.g., 1000, 100000, 10000000, ... have odd number of zeros, but they are not perfect squares.
(c) There are perfect squares, those end with even number of zeros, e.g., 100, 10000, 1000000.
(d) There is no perfect square number that ends in 2 because all perfect squares end with 0, 1, 4, 5, 6 and 9.