The ratio of efficiency of A B and C is 7:5:4 working together they finish the work in 35 days. A and B work together for 28 days the remaining work will be complete by C in how many days?
A B और C की कार्य क्षमता का अनुपात 7:5:4. एक साथ मिलकर वे काम 35 दिन में करते हैं और भी दोनों साथ मिलकर 28 दिन काम करते हैं शेष काम को C कितने दिन में करेगा?
This Question Asked In:
SSC, CGL
Correct Answer :A - 56
Detailed Text Solution
The ratio of efficiency of A, B and C = 7 : 5 : 4
Total work = (7 + 5 + 4) × 35 = 560
Work completed by A and B in 28 days = (7 + 5) × 28 = 336
Remaining work = 560 − 336 = 224
∴ Remaining work will be completed by C alone = 224 ÷ 4 = 56