Question

6. 121 के वर्गमूल संख्या की इकाई के
अंक संभवतः कौन कौन से हो सकते हैं?
O 7,8
O 1,9
03,4
06,7​

Answer 1

Answer:

7,8 is the correct answer of the question

Step-by-step explanation:

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Answer 2

Given: square root(वर्गमूल संख्या) of 121.

To Find:   Possible unit place of the square root of 121

Solution:

Know that,

Unit place of a number    Unit place of square number

             1                                                          1  

           9                                                         1

Understand that, $121$ is square number and has unit place $1$.

Observe from the table that, possible unit place in square root is  $1$  or  $9$ respectively.

Therefore, Possible unit place of the square root of 121 is  $1$  or  $9$ respectively.

Hence, the correct answer is option (b). i.e., $1,9$ .