is between which two numbers?

The correct answer is: 6 and 7

GIVEN-
given number = √39
TO FIND-
Numbers between which √39 lie.
SOLUTION-
We know that the nearest perfect square before and after 39 are 36 and 49, respectively.
Hence, √39 lies between √36 i.e. 6 and √49 i.e. 7.
From the given options, option a i.e. 7 & 8 are both >= 7, option b i.e. 8 & 9 are both >= 7 and option d i.e. 9 & 10 are both >= 10.
Hence, the correct option is option c i.e. 6 and 7.
FINAL ANSWER-
Option 'c' i.e. '6 and 7' is the correct answer to the given question.