correct answer is:

d) 35

Explanation

To find the certain number of boys and girls, we need to find HCF of 175 and 105.
The HCF of 175 and 105 is =35.
So that, the number of boys and girls may be 35 or any factor of 35 like 5,7.
Ans: 5 or 7 or 35 is the required number of boys and girls.

Alternative phrasings for this particular math query are:

1. Determine the number of boys and girls required to equally divide 175 mangoes and 105 oranges.
2. Find the total number of boys and girls needed to evenly distribute 175 mangoes and 105 oranges.
3. Calculate the number of boys and girls necessary to divide 175 mangoes and 105 oranges equally among them.
4. Find the number of boys and girls required for an equal distribution of 175 mangoes and 105 oranges.