Question

Brain teaser
In a row of students, Gopi is the 7th boy from left and Shankar is the 5th
boy from the right. If they exchange their seats, Gopi is the 8th boy from the
right. How many students are there in the row?
A boy chaitanya carved his name on the bark of a tree at a height of 1.5 m
tall. The tree attains a height of a 6.75 m from the ground at what height
from the ground will chaitanya's name can be located now?
Give reason to your answer.​

Answer 1

Answer:

There are total of 10 students in a row.