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The probability that a regularly schedul...

The probability that a regularly scheduled flight departs on time is 0.9, the probability that it arrives on time is 0.8 and the probability that it departs and arrives on time is 0.7. Then the probability that a plane arrives on time, given that it departs on time, is -

A

0.72

B

`(8)/(9)`

C

`(7)/(9)`

D

0.56

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The correct Answer is:
C
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 3
  1. The shortest distance between the lines whose vector equations are ve...

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  2. Two events A and B are such that P(A)=(1)/(4), P(B//A)=(1)/(2) and P(...

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  3. The probability that a regularly scheduled flight departs on time is ...

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  4. A sample of 4 items is drawn at random from a lot of 10 items, contain...

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  5. A and B are two independent events such that P(A)=(1)/(2) and P(B)=(...

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  6. If n things are arranged at random in a row then the probability that ...

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  7. If A=[(3,5),(2,0)] and B=[(1,17),(0,-10)] then |AB| is equal to -

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  8. The inverse of the matrix [(5,-2),(3,1)] is -

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  9. If A(i)=[(a^(i),b^(i)),(b^(i),a^(i))] and |a| lt 1,|b| lt 1 then the ...

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  10. If A is a singular matrix of order n then A*(adj A) is equal to -

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  11. If the determinant of the matrix [(a(1),b(1),c(1)),(a(2),b(2),c(2))...

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  12. If |(x-2,2x-3,3x-4),(x-4,2x-9,3x-16),(x-8,2x-27,3x-64)|=0, then the va...

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  13. If a, b, c, d , e and f are in G.P. then the value of |("a"^(2),"d"^(...

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  14. If a, b, c are respectively the p-th, q-th, r-th terms of an A.P. th...

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  15. If for a triangle ABC, |(1,a,b),(1,c,a),(1,b,c)|=0 then the value of ...

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  16. If the points with position vectors 10hati+3hatj, 12 hati-5hatj and p...

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  17. If ABCDEF be a regular hexagon then (vec(AD)+vec(EB)+vec(FC)) is equa...

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  18. The value of cos[cos^(-1)(-(1)/(7))+sin^(-1)(-(1)/(7))] is -

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  19. The vector equation of yz-plane is -

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  20. The foot of the perpendicular drawn from the origin to a plane is (2,...

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