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A milk vendor has 21 litres of cow milk, 42 litres of toned milk and 63 litres of double toned milk. If he wants to pack them in cans so that each can contains same litres of milk and does not want to mix any two kinds of milk in a can, then the least number of cans required is
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- 3
- 6
- 9
- 12
Correct Option: B
Maximum quantity in each can = HCF of 21, 42 and 63 litres = 21 litres
| Required least number of cans = | + | + | ||||
| 21 | 21 | 21 |
Required least number of cans = 1 + 2 + 3 = 6
