Latest TCS Aptitude Question SOLUTION: . In a market 4 men are standing .The average age of the four before 2 years is 55, after some days one man is added and his age is 45. What is the average age of all? a) 55 b)54.5

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. In a market 4 men are standing .The average age of the four before 2 years is 55, after some days one man is added and his age is 45. What is the average age of all?
a) 55 b)54.5 c)54.6 d)54.7

Asked In TCS Akeefar (13 years ago)

Unsolved Read Solution (6)

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Read Solution (6) :

KALPANA G  (13 years ago)

The average age of the four men before 2years = 55,
The sum of the ages of the four men before 2 years = 55*4=220,
Now, the sum of the ages of the four men at present = 220+(2+2+2+2)=228,
Then, the sum of the ages of 5 men = 228+45=273,
Therefore the average of all = 273/5 = 54.6

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Isha  (13 years ago)

av age of 4 persons now is 57.
Total age of 5 now is 57*4+45= 228+45= 273.

av age of 5= 273/5= 54.6 yrs

Is this solution Helpfull? Yes (17) | No (2)  

sumit  (12 years ago)

total age of 4 men is x
total age of 4 men before 2 year=x-8
avg age before 2 year=x-8/4=55
x-8=220
x=228
now,one men added of 45 year
so,avg age of 5 men =228+45/5=54.6year

Is this solution Helpfull? Yes (7) | No (1)  

keerthana  (13 years ago)

avg age of 4 men b4 2 years is (x-(4*2))/4=55,
4*2 s used since it s 2 yrs back n 4 ppl r der
hence x=228
then when a man o age 45 s added avg will be (x+45)/5=y wkt x=228
(228+45)/5=54.6

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Prateek Soham Mahanti  (13 years ago)

ans is 54.6

Is this solution Helpfull? Yes | No (4)  

kandukuri aneel  (7 years ago)

2 year back their ages average is 55*4=220
present age of all is 57*4=228
another member is added then 228+45=273/5=54.6

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