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If 4 workers finish a job in 6 days, 8 workers take:
A9 days
B3 days
C12 days
D6 days
Answer & Solution
Correct answer: B. 3 days
1. Workers and days are in inverse proportion.
2. So 4 times 6 equals 8 times x.
3. That gives x as 24 by 8, which is 3 days.
4. The answer is 3 days.
_Source: NCERT Class 8 Mathematics, Ch 11 'Direct and Inverse Proportions'_
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