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The number of standard cement bags required to prepare 1400 kg of concrete in the ratio of 1 : 2 : 4 (mixed by weight batching) is___________
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- 1
- 2
- 3
- 4
Correct Option: D
1 : 2 : 4 → 1part cement : 2 part sand : 4 part aggregates
So, To make 7 kg of concrete, amount of cement required = 1 kg
| So, To make 1 kg of concrete, amount of cement required = | kg | |
| 7 |
| So, To make 1400 kg of concrete, amount of cement required = |  |  | × 1400 = 200 kg | |
| 7 |
1 bag of cement contains 50 kg of cement
| Number of bags required = | = 4 bags | |
| 50 kg |
