Home
Class 10
MATHS
A box contains 20 discs which are number...

A box contains 20 discs which are numbered from 1 to 20. If one disc is drawn at random from the box, then find the probability that the number on the drawn disc is a
(i) 2- digit number
(ii) number less than 10

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2022 TERM 2 SET 4 STANDARD

    X BOARDS|Exercise QUESTION|20 Videos
  • SAMPLE PAPER 2019

    X BOARDS|Exercise SECTION-D 39 (b)|1 Videos

Similar Questions

Explore conceptually related problems

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears : a two-digit number

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears : a number divisible by 5.

A box contains 90 discs,numbered from 1 to 90. If one disc is drawn at random from the box,find the probability that it bears a prime number <23 .

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears : a perfect square number

A box contains 90 discs, numbered from 1 to 90. If one disc is drawn at random from the box, the probability that it bears prime number less than 23 is

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears (i) a two-digit number, (ii) a number divisible by 5.

A box contains cards numbered from 11 to 123. A card is drawn at random from the box. Find the probability that the number on the drawn card is: A square number

A box contains cards numbered from 11 to 123. A card is drawn at random from the box. Find the probability that the number on the drawn card is: a multiple of 7.

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box,find the probability that it bears (i) a two-digit number (ii) a perfect square number (iii) a number divisible by 5.

A box contains 90 discs which are numbered from 1 to 90. If one discs is drawn at random from the box,find the probability that it bears (i) a two digit number (ii) a perfect square number (iii) a number divisible by 5.

X BOARDS-QUESTION PAPER 2023-Question
  1. Assertion (A) : For 0 lt theta le 90^@ , cosec theta -cot theta and co...

    Text Solution

    |

  2. Assertion (A) : The probability that a leap year has 53 Sunday is 2/7 ...

    Text Solution

    |

  3. A box contains 20 discs which are numbered from 1 to 20. If one disc i...

    Text Solution

    |

  4. From a point Q, the length of the tangent to a circle is 24 cm and the...

    Text Solution

    |

  5. Find the value of k for which the roots of the quadratic equation 5x^2...

    Text Solution

    |

  6. If one root of the quadratic equation 3x^2-8x-(2k+1)=0 is seven times ...

    Text Solution

    |

  7. Find a quadratic polynomial whose zeroes are 6 and -3.

    Text Solution

    |

  8. Find the zeroes of the polynomial x^2+4x-12

    Text Solution

    |

  9. Evaluate : (5 cosec^2 30^@ -cos 90^@)/(4 tan^2 60^@)

    Text Solution

    |

  10. Prove that 5+2sqrt3 is an irrational number, given that sqrt3 is an ir...

    Text Solution

    |

  11. If the coordinates of points A and B are (-2, -2) and (2, -4) respecti...

    Text Solution

    |

  12. Prove that (cot A-cos A)/(cot A+cos A)=(cos^2 A)/(1+sinA)^2

    Text Solution

    |

  13. Prove that (sec theta+tan theta)(1-sin theta)=cos theta

    Text Solution

    |

  14. E is a point on the side AD produced of a parallelogram ABCD and BE in...

    Text Solution

    |

  15. In the given figure, CM and RN are respectively the medians of Delta A...

    Text Solution

    |

  16. The sum of the reciprocals of Rehmans ages, (in years) 3 years ago an...

    Text Solution

    |

  17. A survey conducted on 20 households in a locality by a group of studen...

    Text Solution

    |

  18. The first term of an A.P. is 5 , the last term is 45 and the sum is 40...

    Text Solution

    |

  19. A solid is in the shape of a cone standing on a hemisphere with both t...

    Text Solution

    |

  20. Theorem 6.1 : If a line is drawn parallel to one side of a triangle to...

    Text Solution

    |