Home
Class 12
MATHS
if a N={a x:x iin N} and b N cap c N ...

if a N=`{a x:x iin N} and b N cap c N ,` where b,c in N`are relatively prime , then

A

`d=bc`

B

`c=bd`

C

b=cd`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SETS

    DISHA PUBLICATION|Exercise EXERCISE-2 : CONCEPT APPLICATOR|30 Videos

  • SETS

    DISHA PUBLICATION|Exercise EXERCISE-2 : CONCEPT APPLICATOR|30 Videos

  • SEQUENCES AND SERIES

    DISHA PUBLICATION|Exercise Exercise -2 : Concept Applicator|30 Videos

  • STRAIGHT LINES AND PAIR OF STRAIGHT LINES

    DISHA PUBLICATION|Exercise EXERCISE 2: CONCEPT APPLICATOR|30 Videos

Similar Questions

Explore conceptually related problems

If aN={ax:x in N} and bN nn cN=dN whereb,c in N are relatively prime,then show that d=bc.

If a N = { ax : x in N} then the set 4N cap 6N is

If the sum of all solutions of the equation (X^(log_(10)3))^(2)-(3^(log_(10)x))-2=0 prime and where b and care relatively prime and a,b,c in N then find the value of (a+b+c) IS

If n^2+2n-8 is a prime number where n in n , then n is a. also a prime number b. relatively prime to 10 c. relatively prime to 6 d. a composite number

If A={x:x=3n,n in N} and B={x:x=4n,n in N} , then find A cap B .

DISHA PUBLICATION-SETS-EXERCISE-1 : CONCEPT BUILDER
  1. let mu= the set of all triangles, P = the set of all isosceles triangl...

    Text Solution

    |

  2. If U = {1,2,3,4,5,6,7,8,9,10}, A = {1,2,3,5}, B = 2,4,6,7} and C = {2,...

    Text Solution

    |

  3. if a N={a x:x iin N} and b N cap c N , where b,c in Nare relative...

    Text Solution

    |

  4. Let n(U)=700, n(A)=200,n(B)=300 and n(AnnB)=100, then find n(A'nnB')

    Text Solution

    |

  5. A market research group conducted a survey of 2000 consumers and re...

    Text Solution

    |

  6. In a college of 300 students, every student reads 5 newspapers and eve...

    Text Solution

    |

  7. In a class of 55 students, the number of students studying different s...

    Text Solution

    |

  8. In a battle, 70% of the combatants lost one eye, 80% an are, 75% an ar...

    Text Solution

    |

  9. In a city 20 percent of the population travels by car, 50 percent trav...

    Text Solution

    |

  10. In a town of 10,000 families it was found that 40% family buy newspape...

    Text Solution

    |

  11. A class has 175 students. The following data shows the number of stude...

    Text Solution

    |

  12. There are 20 students in a chemistry class and 30 students in a physic...

    Text Solution

    |

  13. In a statistical investigation of 1003 families of Calcutta, it was fo...

    Text Solution

    |

  14. If A and B are two sets, then (AuuB)'uu(A'nnb) is equal to

    Text Solution

    |

  15. 60 employees in an office were asked about their preference for tea an...

    Text Solution

    |

  16. A market research group conducted a survey of 1000 consumers and re...

    Text Solution

    |

  17. In a class of 30 students 12 take needle work, 16 take physics and 18 ...

    Text Solution

    |

  18. Out of 1000 boys in a college, 220 played cricket, 250 played hockey a...

    Text Solution

    |

  19. If X and Y are two sets such that (XuuY) has 60 elements, X has 38 ele...

    Text Solution

    |

  20. In a town of 840 persons , 450 persons read Hindi, 300 read English an...

    Text Solution

    |