Question

there are 55 students in class 7 ina certain school. is it possible that there must be at least two students whose birthdays are in the same week. whether your answer is yes or no, you have to justify it!​

Answer 1

Step-by-step explanation:

Given :

There are 55 students in class 7 in a certain school.

To Find:

Is it possible to say that there must be at least two students

whose birthdays are in the same week.

Solution:

Yes, Its possible to say as there $\frac{52}{53}$ weeks in a years if one student born in one week still $\frac{52}{53}$ students in all the week of year.

$\frac{3}{2}$ students left who will be born in any of those week.

Hence, It is possible to say that there must be at least twoo students whose birthdays are in the same week.

Answer 2

Step-by-step explanation:

Given :

There are 55 students in class 7 in a certain school.

To Find:

Is it possible to say that there must be at least two students

whose birthdays are in the same week.

Solution:

Yes, Its possible to say as there \frac{52}{53}5352 weeks in a years if one student born in one week still \frac{52}{53}5352 students in all the week of year.

\frac{3}{2}23 students left who will be born in any of those week.

Hence, It is possible to say that there must be at least twoo students whose birthdays are in the same week.