Correct Answer - Option 4 : Rs. 2520
Given:
The wages of 6 men for 15 days be Rs. 2100
Calculation:
As the wages of 6 men for 15 days be Rs. 2100
The wages of 1 man for 15 days = Rs. 2100/6 = Rs. 350
And, the wages of 1 man for 1 day = Rs.350/15
Now, the wages of 9 men for 12 days = (Rs.350/15) × 9 × 12 = Rs.2520
∴ The wages of 9 men for 12 days is Rs.2520.