Maths olympiad
Exam
Numerical Ability
five students have not been absent for the entire 1st semester. they are asked to draw one pass each from bag that has 5 movie passes and 5 meal passes. parul and mini are the first 2 students to draw a pass simultaneously which is the probability that they draw both movie passes?
Read Solution (Total 5)
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- ((5c2*5c0)/(10c2))=2/9
- 9 years agoHelpfull: Yes(2) No(0)
- No of ways of drawing two passes simultaneously by Parul & Mini are (M,m) (m,M) (MM) (mm)
Favorable case is (MM). Thus, 1/4. M=movie pass m=meal pass - 9 years agoHelpfull: Yes(0) No(1)
- i think,the ans will be 1/2
- 9 years agoHelpfull: Yes(0) No(0)
- Required Probability : (5C2 + 5C0) / 10C2
= 10/45
= 2/9 - 9 years agoHelpfull: Yes(0) No(0)
- (5/10)*(4/9)=2/9
- 5 years agoHelpfull: Yes(0) No(0)
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