Agricultural Engineering > GATE 2017 > Numerical Ability
X bullocks and Y tractors take 8 days to plough a field. If we halve the number of bullocks and double the number of tractors, it takes 5 days to plough the same field. How many days will it take X bullocks alone to plough the field?
A
A. 30
B
B. 35
C
C. 40
D
D. 45

Correct : a

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