For Holi Badri has bought 7 packets of green color, 5 packets of red color, 2 packets of purple colo

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13 Mar 2017 Happy Holi!!!

For Holi Badri has bought 7 packets of green color, 5 packets of red color, 2 packets of purple color and 6 packets of pink color. All these packets are kept in a bag. He randomly picks 1 color packet and gives it to Riya. Riya's favorite color are purple and pink.
What is the probability that Riya gets her favorite color packet?

OPtion

1) 8/19
2) 4/5
3) 2/10
4) 8/10
5) 4/19
6) 4/21
7) 10/21
8) 8/21
9) 2/5
10)1/5

Solution

Total Number of possible outcomes = 7+5+2+6 = 20
Total Number of positive outcomes = 2+6 = 8

Probability = 8/20 = 2/5
Option 9)

Correct Option: 9 Best Solution (13)

G.S.Kantharao   7 years AGO

Green colour packets= 7
Red colour packets= 5
Purpule colour packets =2
Pink colour packets= 6
Total out comes= 20
Favourable outcomes= 2+ 6= 8
Probabilty= Favourable outcomes/ Total outcomes
= 8/20=2/5.
Hence my choice is 9 wjoch stands for 2/5.

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viswambher   7 years AGO

Total No. of packets = 20
No. of pink and purple packets = 8
Probability of picking a pink or purple packet in first attempt = 8/20= 2/5

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Azim Uddin Siddiqui   7 years AGO

Total no. of balls in the bag=20,
probability of picking a purple ball=2/20 i.e. 1/10 ;
probability of picking a pink ball= 6/20 i.e. 3/10
so total= 1/10+3/10= 4/10 or 2/5
Ans. 2/5

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Amit   7 years AGO

Total packets=20
prob of purple color packet=2/20=1/10
prob of pink color packet= 6/20=3/10
pro of pink or purple= 3/10 +1/10= 2/5

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Naga   7 years AGO

Total number of packets 20
Total number of favourite packets 2+6 = 8
Probability of a favourite packet 8/20 =2/5

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BHARAT KUMAR   7 years AGO

feverabal case= 6+2
total possible case= 20
probability= feverable/ total case
= 8/20
= 2/5

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sonali   7 years AGO

total =7+5+2+6=20
now select 2c1+6c1/20c1
1 colour selected from 2 purple color=2c1
1 colour selected from 6 purple color=6c1

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Sunitha   7 years AGO

P. of green=7/20
p. of red=5/20
p. of purple=2/20
p. of pink=6/20
p. of purple and pink=(2/20+6/20)=2/20=2/5

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Vignesh   7 years AGO

Total packets 20
Total packets of pink and purple is 8 so probability is 8/20 which is equal to 2/5

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sirikalyan   7 years AGO

Total probabilitty-7+5+2+6
Favourite-2+6
Result-8/20
-2/5

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Veera Vignesh   7 years AGO

green 7
red 5
purple 2
pink 6
total 20
purple and pink =8
then 8/20=2/5

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Sanjana   7 years AGO

Total number of outcomes=20
Number of favourable outcomes:
Purple= 2
Pink= 6
Req probability= (2/10)+(6/20)=2/5

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Harsh Poddar   7 years AGO

Total probability =7+5+2+6=20
Possible outcome of purple and pink=2+6=8
Probability of getting purple or pink colour=8/20=2/5
Option 9

Like? Yes | No (1)