important ques .plz solve it in rough
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Hey Dear !
A + B → 16 days --(1)
B + C → 12 days --(2)
A + C → 20 days --(3)
A → 16 - B ( days)
C→ 12 - B ( days)
16 - B + 12 - B → 20 days
28 - 2B →20 days
28 - 20 →2B
8 → 2B
B→ 4 days
A→ 16 - B →16 - 4 → 12 days
C → 12 - B → 12 - 4 → 8 days
together
A + B + C→ 8 + 12 + 4 → 24 days
A + B → 16 days --(1)
B + C → 12 days --(2)
A + C → 20 days --(3)
A → 16 - B ( days)
C→ 12 - B ( days)
16 - B + 12 - B → 20 days
28 - 2B →20 days
28 - 20 →2B
8 → 2B
B→ 4 days
A→ 16 - B →16 - 4 → 12 days
C → 12 - B → 12 - 4 → 8 days
together
A + B + C→ 8 + 12 + 4 → 24 days
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The answer is 24days
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