21 November 2016

There are 'n' number of
students in a class. They are standing for a group photograph in such a way
that the number of students in the first row is same as the total number of rows.
Further, from the second row onwards, the number of students in any row is
three more than the number of students in the preceding row. Which of the
following cannot be the value of 'n'?

Option 1->18

Option 2->55

Option 3->30

Option 4->34

**Solution:**

**Correct solution received from
:**

**1. Tarun Bhomra**

**2.**

**3.**

**4.**

**5.**