Question

Rajeev and Sanjeev were feeling bored during the lockdown. They both created a number game.  Sanjeev prepared nine equilateral triangles and numbered them from 1 to 9.

The numbers written  on the triangles also represented length of each side of the triangle (in cm). 

Question

Sanjeev arranged them in the form of a circle. In the second round, Sanjeev started counting with triangle numbered as 1 and eliminated every  third triangle, until only one triangle remained.

Which of the following triangle will be left in the  end?

Triangle no.-

a) 1

b) 3

c) 7

d) 6​

Answer 1

Answer:

the answer is equal to 1

a