Option is given:
1) 2
2) 4
3) 8
4) 12
Attachments:
Psathwikreddy:
option 2
Answers
Answered by
2
Answer is (2) 4
Solution:
No. of red balls = 4
Blue balls = x
∴ Total balls = 4+x
Probability of picking blue ball = 1/2
∴ From question,
x/4+x = 1/2
Solving this, we get:
2x-x = 4
⇒x = 4
∴ There are 4 blue balls .
Thank you. Hope it helps. :)
Solution:
No. of red balls = 4
Blue balls = x
∴ Total balls = 4+x
Probability of picking blue ball = 1/2
∴ From question,
x/4+x = 1/2
Solving this, we get:
2x-x = 4
⇒x = 4
∴ There are 4 blue balls .
Thank you. Hope it helps. :)
yes 4
not three there is 4 red balls
it's correct (°ロ°)☝
hmmmmm...
ego overloaded
nope. thanks for correcting me. （⌒_⌒）
Answered by
2
Heya friend here's your answer in the attachment.
HOPE IT HELPS
HOPE IT HELPS
Attachments:
g..
What did u mean???
bura lag gya
No never
Bye
then why r u acting like this??
Sry yaar
Forget it
it's ok baba
really
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