

MCQOPTIONS
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1. |
WHAT_IS_THE_RATIO_IN_WHICH_COAL,_SAND_AND_GARNET_ARE_PRESENT_IN_THE_MIXED_MEDIA_FILTER??$ |
A. | 2: 3: 5 |
B. | 4: 2: 1 |
C. | 6: 3: 1 |
D. | 1: 2: 3 |
Answer» D. 1: 2: 3 | |