Time and Work - Quantitative Aptitude (MCQ) questions for Q. 762

Q.  If 10 bulls can plough 20 identical fields in 3 days working 10 hours a day, then in how many days can 30 bulls plough 32 same identical fields working 8 hours a day?
- Published on 06 Jul 15

a. 2
b. 4
c. 8
d. 10

ANSWER: 2
 
M1*D1*W2 = M2*D2*W1
10*3*10*32 = 30*d*8*20
d = 2 days

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