Answer :

The perfect squares of a number may end with any of the following digits at unit's place:

0, 1, 4, 5, 6, or 9

And, a perfect square will end with even number of zeroes

(i) Since the unit place digit of number 153 is 3, hence it is not a perfect square

(ii) Since the unit place digit of number 257 is 7, hence it is not a perfect square

(iii) Since the number 408 has its unit place digit as 8, it is not a perfect square

(iv) Since the number 441 has its unit place digit as 1, it is a perfect square

Rate this question :

How useful is this solution?

We strive to provide quality solutions. Please rate us to serve you better.

Related Videos

Goprep Genius Quiz | Squares and Square Roots34 mins

Squaring Using Geometry.43 mins

Finding Square Root of Numbers - I37 mins

RD Sharma | Squares and Square Roots39 mins

Lets learn about Perfect Squares40 mins

Know Shortcuts for Square Root34 mins

Squares of Numbers35 mins

Quiz | Squares and Square Roots41 mins

Champ Quiz | Square and Square roots32 mins

NCERT | Square and Square Roots42 mins

Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Expertsview all courses

Dedicated counsellor for each student

24X7 Doubt Resolution

Daily Report Card

Detailed Performance Evaluation

RELATED QUESTIONS :

Evaluate:

Which of the follRS Aggarwal - Mathematics

Evaluate:

Evaluate:

Find the greatestRS Aggarwal - Mathematics