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Square Pyramid analysis:
- Top view: A square base with diagonals → appears as a square ✓
- Front view: Triangular elevation ✓
- Side view: Triangular elevation ✓
A cone would give a circular top view. A triangular prism would give a rectangular side view. A cylinder gives circular front/side views.
All three views match a square pyramid perfectly.
Given that $ds \neq 0$:
Compare:
Column A: The time required to travel $d$ miles at $s$ miles per hour
Column B: The time required to travel $\frac{d}{4}$ miles at $2s$ miles per hour
Calculate each time using the formula $\text{time} = \frac{\text{distance}}{\text{speed}}$:
- Column A: $t_A = \frac{d}{s}$
- Column B: $t_B = \frac{d/4}{2s} = \frac{d}{8s}$
To compare, find the ratio: $\frac{t_A}{t_B} = \frac{d/s}{d/(8s)} = \frac{d}{s} \times \frac{8s}{d} = 8$
So $t_A = 8 \times t_B$, meaning Column A is 8 times larger than Column B.
Therefore, Column A is greater.
Selling price \(= c + 10\%\text{ of }c = 1.1c = 220\)
\(c = \dfrac{220}{1.1} = 200\)
Cost price \(= \text{Rs. } 200\)
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