- (A) Rs.456
- (B) Rs.558
- (C) Rs.458
- (D) Rs.568
_______ is considered the largest glacier of Pakistan.
March 18, 2026
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- (A) Siachen Glacier
- (B) Tirich Mir Glacier
- (C) Biafo Glacier
- (D) Hispar Glacier
A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its wall and bottom at75 Paisa per sq. m, is:
A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its wall and bottom at75 Paisa per sq. m, is:
- Solution: The area we require is to be plastered including the walls and the bottom (not the top).
- Step 1: Dimensions
- Length = 25 m
- Width = 12 m
- Depth = 6 m
- Step 2: Area of walls
- Walls = 2(l × h) + 2(w ×h)
- = 2(25 ×6) + 2(12 ×6)
- = 2(150) + 2(72)
- = 300 + 144
- = 444 m²
- Step 3: Area of bottom
- = l ×w = 25 × 12 = 300 m²
- Step 4: Total area
- = 444 + 300 = 744 m²
- Step 5: Cost calculation
- Cost per m² = 75 paisa = Rs. 0.75
- Total cost = 744 × 0.75
- = Rs. 558
- Final Answer: (B) Rs. 558
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