Home
Class 11
MATHS
There are 200 individuals with a skin di...

There are 200 individuals with a skin disorder, 120 had been exposed to the chemical `C_(1), 50` to chemical `C_(2)`, and 30 to both the chemicals `C_(1) and C_(2)`. Find the number of individuals exposed to
(i) Chemical `C_(1)` but not chemical `C_(2)`
(ii) Chemical `C_(2)` but not chemical `C_(1)`
(iii) Chemical `C_(1)` or chemical `C_(2)`

Text Solution

Verified by Experts

The correct Answer is:
90, 20, 140
Promotional Banner

Topper's Solved these Questions

  • SETS

    NCERT TAMIL|Exercise EXERCISE 1.1|33 Videos

  • SETS

    NCERT TAMIL|Exercise EXERCISE 1.2|21 Videos

  • SEQUENCES AND SERIES

    NCERT TAMIL|Exercise Miscellaneous Exercise On Chapter 9|32 Videos

  • SETS, RELATIONS AND FUNCTIONS

    NCERT TAMIL|Exercise EXERCISE 1.5|25 Videos

Similar Questions

Explore conceptually related problems

Chemical formula of marble is Ca(OH)_2 .

The differential equaiotn which represents the family of curves y=C_(1)e^(C_(2)x) , where C_(1) and C_(2) are arbitrary constants, is

C_(1) + 4.C_(2) + 7.C_(3) +......+(3n - 2).C_(n) =

Write balanced chemical equation for each of the following chemical reactions. Solid potassium hydroxide with CO_2

C_(1) and C_(2) are two concentrate circles, the radius of C_(2) being twice that of C_(1) . From a point P on C_(2) tangents PA and PB are drawn to C_(1) . Prove that the centroid of the DeltaPAB lies on C_(1)

If b_(1)b_(2) = 2(c_(1) + c_(2)) , then at least one of the equations x^(2) + b_(1)x + c_(1) = 0 and x^(2) + b_(2)x + c_(2) = 0 has

NCERT TAMIL-SETS-MISCELLANEOUS EXERCISE ON CHAPTER 1
  1. There are 200 individuals with a skin disorder, 120 had been exposed t...

    Text Solution

    |

  2. Decide, among the following sets, which sets are subsets of one and a...

    Text Solution

    |

  3. Determine whether the statement is true or false. If it is true, prove...

    Text Solution

    |

  4. In each of the following, determine whether the statement is true or f...

    Text Solution

    |

  5. Determine whether the statement is true or false. If it is true, prove...

    Text Solution

    |

  6. In each of the following, determine whether the statement is true or f...

    Text Solution

    |

  7. In each of the following, determine whether the statement is true or f...

    Text Solution

    |

  8. In each of the following, determine whether the statement is true or f...

    Text Solution

    |

  9. Let A, B, and C be the sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C....

    Text Solution

    |

  10. Show that the following four conditions are equivalent : A ⊂ B

    Text Solution

    |

  11. Show that the following four conditions are equivalent : A – B = φ

    Text Solution

    |

  12. Show that the following four conditions are equivalent : A ∪ B = B

    Text Solution

    |

  13. Show that the following four conditions are equivalent : A ∩ B = A

    Text Solution

    |

  14. Show that if A ⊂ B, then C – B ⊂ C – A.

    Text Solution

    |

  15. Assume that P ( A ) = P ( B ). Show that A = B

    Text Solution

    |

  16. Is it true that for any sets A and B, P ( A ) ∪ P ( B ) = P ( A ∪ B )?...

    Text Solution

    |

  17. Show that for any sets A and B, A = ( A ∩ B ) ∪ ( A – B ) and A ∪ ...

    Text Solution

    |

  18. Using properties of sets, show that A ∪ ( A ∩ B ) = A

    Text Solution

    |

  19. Using properties of sets, show that A ∩ ( A ∪ B ) = A.

    Text Solution

    |

  20. Show that A ∩ B = A ∩ C need not imply B = C.

    Text Solution

    |

  21. Let A and B be sets. If AcapX=BcapX=phi and AcupX=BcupX for some set X...

    Text Solution

    |