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12.
A is 50% more efficient that B and C is 40%
less efficient than B. Working together, they
can complete a task in 20 days. In how many
days will C alone complete 30% of that task?
B की तुलना में A 50% अधिक दक्ष है और C की तुलना में B
40% कम दक्ष है। एक साथ कार्य करने पर, वे तीनों एक कार्य को 20
दिन में पूरा कर सकते हैं । C अकेला उस कार्य का 30% कितने दिनों
2019 - Shift : I)
(B) 33
(D) 29
में पूरा करेगा ? (12 June
(A)
31
(C)
35

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