Elitmus
Exam
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If we have two cube ,we painted the cube with blue and pink colour only,if we painted first cube with 4 side pink colour and other 2 side with blue color, if we have probability 1/3,how many sides we will paint pink color in second cube.(probabity for both have same color is 1/3)
Read Solution (Total 2)
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- ans will be 3
lets probability of pink color in second cube is p,so
(4/6)*(p)==1/3
so,p=1/2.
That means 3 side is of pink color of second cube...
- 9 years agoHelpfull: Yes(2) No(1)
- ans : 2
Pink: 1st cube (4) + 2nd cube(2) = 6/2 == 1/3
so ans will be 2
- 9 years agoHelpfull: Yes(1) No(2)
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