Latest CSC Aptitude Question SOLUTION: If 15 men, working 9 hours a day, can reap a field in 16 days, in how many days will 18 men reap the field, working 8 hours a day?

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If 15 men, working 9 hours a day, can reap a field in 16 days, in how many
days will 18 men reap the field, working 8 hours a day?

Asked In CSC (11 years ago)

Unsolved Read Solution (12)

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Read Solution (12) :

lucky lovely  (11 years ago)

Since the number of days is to be found out , we compare each item with the number of days.
More men , less days (Indirect)
Less working hours More days (Indirect)
Men 18 : 15} ..
Working Hours 8 : 9 } .. 16 : x
18 x 8 x X = 15 x 9 x 16 or x=15
Required Number of days = 15

Is this solution Helpfull? Yes (22) | No (3)  

aditya mangalampalli  (11 years ago)

m1*d1*h1=m2*d2*h2
substitute u wl get d2=15

Is this solution Helpfull? Yes (11) | No   

Nageswaran  (11 years ago)

15*9*16=x*18*8
solving,
x=15.

Is this solution Helpfull? Yes (4) | No   

sirisha.yatam  (11 years ago)

15 days are inverse propotional to hrs and mens so 18*8*x=15*9*16=15 so ans is 15

Is this solution Helpfull? Yes (1) | No (1)  

sreekanth  (10 years ago)

15 days..........
at first 15 men will complete in 16dys if they work for 9 hours in a day
total work hours = 15*9*16=2160
if 18 men works for 8 hrs in a day
total work hours in a day= 18*8=144
total works 2160
total days= 2160/144= 15days

Is this solution Helpfull? Yes (1) | No (1)  

sawan Soni  (9 years ago)

15*9*16=18*x*8
simple formula:
M1*T1=M2*T2

Is this solution Helpfull? Yes (1) | No   

rupesh kumar  (9 years ago)

15*9*16=18*8*x
x=15ans.

Is this solution Helpfull? Yes (1) | No   

chandu  (10 years ago)

very easy way of solving this question.
18 x 8 x X = 15 x 9 x 16
Required Number of days = 15

Is this solution Helpfull? Yes | No   

sangeetha  (10 years ago)

men hr days work
15 9 16 1
18 8 x 1
so
(15*9*16)/1=(18*8*x)/1
therefore
X=15

Is this solution Helpfull? Yes | No (1)  

Vishwas Nahar  (9 years ago)

15*9*16 = x*18*8

Is this solution Helpfull? Yes | No   

n  (8 years ago)

question has asked for maximun not minimum.....................@kaliur

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boya gowri  (8 years ago)

15 days answer. one formula is there that is m1*h1*d1=m2*h2*d2 so 15*9*16 = 18*8*d2 solve it u can get the answer

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