Home
Class 11
MATHS
7 white balls and 3 black balls are kept...

7 white balls and 3 black balls are kept randomly in order. Find the probability that no two adjacent balls are black.

A

1) `(1)/(2)`

B

2) `(7)/(15)`

C

3) `(2)/(15)`

D

4) `(1)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A bag contains 3 red, 3 white ,3 green and 3 black balls. One ball is picked up from the bag at random. Find the probability that the ball drawn is white.

A bag contains 3 red, 3 white ,3 green and 3 black balls. One ball is picked up from the bag at random. Find the probability that the ball drawn is not white.

There are two boxes. One box contains 3 white balls and 2 black balls. The other box contains 7 yellow balls and 3 black balls. If a box is selected at random and from it, a ball is drawn, the probability that the ball is black is

There are 2 red and 3 black balls in a bag, 3 balls are taken out at random from the bag.find the probability of getting 2 red and 1 black ball or 1 red and 2 black balls.

From 4 red balls, 2 white balls and 4 black balls , four balls are selected . The probability of getting 2 red balls is

From a bag containing 10 red, 4 blue and 6 black balls, a ball is drawn at random. Find probability of drawing: a blue or black ball.

From a bag containing 10 red, 4 blue and 6 black balls, a ball is drawn at random. Find probability of drawing: a red ball.

Recommended Questions
  1. 7 white balls and 3 black balls are kept randomly in order. Find the p...

    Text Solution

    |

  2. 7white balls and 3black balls are kept randomly in order.Find the prob...

    Text Solution

    |

  3. एक थैले X में 4 सफेद गेंदे तथा 2 काली गेंदे है जबकि एक अन्य थैले Y में...

    Text Solution

    |

  4. एक थैले में 5 काली, 7 लाल तथा 3 सफेद गेंदें हैं। एक गेंद यादृच्छया निक...

    Text Solution

    |

  5. एक थैले में 5 काली, 7 लाल तथा 3 सफेद गेंदें हैं। एक गेंद यादृच्छया निक...

    Text Solution

    |

  6. एक थैले में 3 लाल, 5 काली तथा 7 सफेद गेंद है। थेले में से यादृच्छया ( ...

    Text Solution

    |

  7. एक थैले में 3 लाल और 7 काली गेंदे हैं। यदि थैले से एक गेंद यादृच्छया न...

    Text Solution

    |

  8. 7 सफेद गेंद तथा 3 काली गेंद यदृच्छया एक कतार में रखी है। कोई दो काली ग...

    Text Solution

    |

  9. एक थैले में 5 काली, 7 लाल और 3 सफेद गेंदे है। एक गेंद यादृच्छया निकाली...

    Text Solution

    |