Latest TCS Aptitude Question SOLUTION: there are 20 balls which are red ,blue or green. If & balls are green and the sum of red balls and green balls is less than 13,at most how many red balls are there? a)4 b)5 c)6 d)7

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there are 20 balls which are red ,blue or green. If & balls are green and the sum of red balls and green balls is less than 13,at most how many red balls are there?
a)4
b)5
c)6
d)7

Asked In TCS krishnaprasad TATA (11 years ago)

Unsolved Read Solution (12)

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Read Solution (12) :

Bhargav A patel  (11 years ago)

ans is b)5
here g+r+b=20
and g=7
so g+r

Is this solution Helpfull? Yes (6) | No   

PARAG KAMRA  (11 years ago)

problem in posting ans,ans is atmost 4 because green is 8 balls

Is this solution Helpfull? Yes (5) | No (2)  

Karan  (11 years ago)

sum of red balls and green balls is less than 13,
it means sum of red balls and green balls is up to 12 only.

then number of red balls will depend on number of green balls.
Here there seems to be typing problem in statement.

If there are 8 green balls, then red balls can be four only.
If there are 7 green balls, then red balls can be four or five and hence at most 5 red balls can be there.
If there are 6 green balls, then red balls can be four, five or 6 and hence at most 6 red balls can be there.

Is this solution Helpfull? Yes (3) | No (4)  

kalyan pannuru  (11 years ago)

frns here the &=7(typing mistake) ie., here there are 7 green balls ....so, r+g

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

PARAG KAMRA  (11 years ago)

IF THERE ARE 7 GREEN BALLS THEN ATMOST 5 BALLS,BECAUSE GREEN+RED

Is this solution Helpfull? Yes (1) | No   

PARAG KAMRA  (11 years ago)

there are total 20 balls which are red,blue,green
now 8 balls are green
sum of red balls and green balls is less than 13 means
green+red

Is this solution Helpfull? Yes | No (2)  

PARAG KAMRA  (11 years ago)

g+r

Is this solution Helpfull? Yes | No (2)  

disha verma  (11 years ago)

red+green

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PARAG KAMRA  (11 years ago)

green=g,red=r
g=8
g+r

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thangamari  (11 years ago)

gn:
r+g+b=20
r+gr=4

Is this solution Helpfull? Yes | No (1)  

Rohit Kumar  (11 years ago)

its d bcoz g+r

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himanshu umrao  (11 years ago)

g=7
g+r

Is this solution Helpfull? Yes | No (1)  

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