Latest self Aptitude Question SOLUTION: Q. If 3 men and 2 boys together earn 306 in 9 days while 7 men and 3 boys earn 639 in the same time. In how many days will 8 men and 6 boys together earn 376?

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Q. If 3 men and 2 boys together earn 306 in 9 days while 7 men and 3 boys earn 639 in the same time. In how many days will 8 men and 6 boys together earn 376?

anshu vij (10 years ago)

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haritha  (10 years ago)

No of days is same in both case =9 days

3 M + 2 B =306
7 M + 3 B =376

on solving u will get M = 72 and B = 45 .

The value of M and B represents the wages of single man and boy respectively for 9 days

for single day for man 72 / 9 = 8 Rs
for single day for boy 45/9 = 5 Rs

8M + 6B =376 here we have to find no of days (X)

X(8M+6B) = 376


subtitute single day value ,M=8 and B=5 rs respectively

94 x = 376

x= 4

So it takes 4 days to earn 376 rs by 8 men and 6 boys

Is this solution Helpfull? Yes (3) | No (1)  

harish  (10 years ago)

Men Boys Days Earn
3 2 9 306
7 3 9 639
8 6 ? 376..... assume '?' as 'x'
so (3*7*8)+(2*3*6)+(9*9*x)=306+639+376
81x=1067.... x=13.17 days

Is this solution Helpfull? Yes (1) | No (4)  

shambodeb pal  (10 years ago)

answer is 4
9*(3/x+2/)=306
9*(7/x+3/y)=639
solving x=1/8,y=1/5
now putting the values of x and y in the equation
n*(8/x+6/y)=376
we get n=4

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