Question

answer this question

Answer 1

Answer:

B.

Step-by-step explanation:

Total bricks given : b

Bricks stacked till now : k

   So,

      Bricks which are not stacked till now = total bricks - bricks stacked till now

                = b - k

Thus,

      % of bricks have not yet been stacked is given by :

  ⇒ ( number of bricks not stacked yet ) / ( total bricks ) x 100%

  ⇒ ( b - k ) / b  x 100%

  ⇒ 100( b - k ) / b  %

  Correct option is ( B ).