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A cuboidal shaped water tank, 2.1 m long and 1.5 m broad is half filled with water. If 630 litres more water is poured into that tank, the water level will rise
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- 0.15 cm
- 0.20 metre
- 0.18 cm
- 2 cm
- 0.15 cm
Correct Option: B
Increase in water level = x cm (let)
According to the question, 2.1 × 1.5 × 10000 × x = 630 × 1000 cu. cm.
⇒ 21 × 15 × 100 × x = 630000
| ⇒ x = | = 20 cm. = 0.2 metre | |
| 21 × 15 × 100 |
