In which of the following situations, does the list of numbers involved in the form of a GP.?
Number of bricks needed to make each step, if the stair case has total 30 steps. Bottom step needs 100 bricks and each successive step needs 2 brick less than the previous step.

This is not in GP
Since they have given common difference -2

They have said that successive steps need 2 bricks less than the previous.

1
1

Question

In which of the following situations, does the list of numbers involved in the form of a GP.?
Number of bricks needed to make each step, if the stair case has total 30 steps. Bottom step needs 100 bricks and each successive step needs 2 brick less than the previous step.

This is not in GP

Since they have given common difference -2

They have said that successive steps need 2 bricks less than the previous.

1

Philoid · Accepted Answer

This is not in GP

Since they have given common difference -2

They have said that successive steps need 2 bricks less than the previous.