11.A brick staircase has a total of 40 steps. The bottom step requires 100
bricks. Each successive step requires 4 bricks less than the previous step.
(i) How many bricks are required for the top most step?
(ii) How many bricks are required to build the stair case?
Answers
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Answer:
Top Most 256 Bricks.
Total Bricks 6960.
Step-by-step explanation:
Top Most Calculation:
::100 Bricks on Bottom Previous 39 Steps so Multiple
4*39=156
156+100=256
Total Bricks Calculation.
100+104+108+112....up to 40 Steps 4 add Each Steps and Calculate the Answer..
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