Which of the following is the square of an odd number
a. 256
b. 361
c. 144
d. 400

Solution:

We have to find the square of an odd number.

Number obtained when a number is multiplied by itself is called the square of the number.

if m = n², then m is a perfect square where m and n are natural numbers.

considering 256

Square root of 256 = √256 = 16

considering 361

Square root of 361 = √361 = 19

considering 144

Square root of 144 = √144 = 12

considering 400

Square root of 400 = √400 = 20

Therefore, 361 is the square of an odd number 19.

✦ Try This: Which of the following is the square of an odd number? a. 289, b. 362, c. 144, d. 400

☛ Also Check: NCERT Solutions for Class 8 Maths

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NCERT Exemplar Class 8 Maths Chapter 3 Sample Problem 1

Which of the following is the square of an odd number? a. 256, b. 361, c. 144, d. 400

Summary:

361 is the square of an odd number 19

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☛ Related Questions:

• Which of the following will have 1 at its units place? a. 19², b. 17², c. 18², d. 16²
• How many natural numbers lie between 18² and 19²? a. 30, b. 37, c. 35, d. 36
• Which of the following is not a perfect square? a. 361, b. 1156, c. 1128, d. 1681