Home
Class 12
MATHS
Let S={a,b,c}epsilonNxxNxxN:a+b+c=21,a<=...

Let `S={a,b,c}epsilonNxxNxxN:a+b+c=21,a<=b<=c}` and T={(a,b,c)epsilon NxxNxxN :a,b,c are in AP} where N is the set of all natural numbers . then the element in the set ` SnnT` is

A

6

B

7

C

13

D

14

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SETS , RELATIONS AND FUNCTIONS

    MTG-WBJEE|Exercise WB JEE PREVIOUS YEARS QUESTIONS (SINGLE OPTION CORRECT TYPE)|44 Videos

  • QUADRATIC EQUATIONS

    MTG-WBJEE|Exercise WB JEE Previous Years Questions (One or More than One Option Correct Type) |7 Videos

  • SOLUTION OF TRIANGLES

    MTG-WBJEE|Exercise WB JEE (Previous Years Questions) CATEGORY 2: Single Option Correct Type|1 Videos

Similar Questions

Explore conceptually related problems

Let S={a,b,c}. Find the total number of binary operations on S.

Let a,b,cbe complex numbers such that |a|=|a-b|=3sqrt(3),|a+b+c|=21ata^(2)+b^(2)+c^(2)=ab+bc+ca, then |b|^(2)+|c|^(2) equals:

Let a = {a, b, c} and R = {(a, a), (b, b), (c, c), (b, c), (a, b)} be a relation on A, then the

Let A={a,b,c} and Let R={(a,a),(a,b),(b,a)}. then ,R is

Let A={a,b,c} and R={(a,a),(b,b),(c,c),(b,c),(a,b)} be a relation on A, then R is :

Let a ,b ,c be positive and not all equal. Show that the value of the determinant |a b c b c a c a b| is negative.

Let a, b, c be positive and not all equal. Show that the value of the determinant |[a,b,c],[b,c,a],[c,a,b]| is negative

MTG-WBJEE-SETS , RELATIONS AND FUNCTIONS-WB JEE PREVIOUS YEARS QUESTIONS (SINGLE OPTION CORRECT TYPE)
  1. If f:[0,pi/2)->R is defined as f(theta)=|(1,tantheta,1),(-tantheta,1,...

    Text Solution

    |

  2. Let f:R-> R be defined as f(x)=(x^2-x+4)/(x^2+x+4). Then the range of ...

    Text Solution

    |

  3. Let S={a,b,c}epsilonNxxNxxN:a+b+c=21,a<=b<=c} and T={(a,b,c)epsilon Nx...

    Text Solution

    |

  4. Let R be a relation defined on the set Z of all integers and x Ry whe...

    Text Solution

    |

  5. if A={5^(n)-4n-1: n in N} and B={16(n-1):n in N} then

    Text Solution

    |

  6. If the function R to R is defined by f(x)=(x^2+1)^(35)AA in R then f ...

    Text Solution

    |

  7. Let P be the set of all non-singular matrices of order 3 over ú and Q ...

    Text Solution

    |

  8. On the set R of real numbers we defined xPy i and only if xylt 0. T...

    Text Solution

    |

  9. On R, a relation p is defined by xpy if and only if x - y is zero or i...

    Text Solution

    |

  10. On the set R of real numbers, the relation p is defined by xpy, ( x ,y...

    Text Solution

    |

  11. If f: R rarr R be defined by f(x) =e^(x) and g:R rarr R be defined b...

    Text Solution

    |

  12. The domain of definition of f(x) = sqrt(1-|x|)/(2-|x|) is

    Text Solution

    |

  13. Let f:R->R be a function is defined by f(x)=x^2-(x^2)/(1+x^2), then

    Text Solution

    |

  14. Consider the function f(x)=cos x^(2) then

    Text Solution

    |

  15. Let f(x)=x(1)/(x-1)+(1)/(x)+(1)/(x+1) x lt 1 then

    Text Solution

    |

  16. We define a binary relationon ~ on the set of all 3 xx 3 real matrices...

    Text Solution

    |

  17. For any real numbers theta and phi we define theta R phi if and only...

    Text Solution

    |

  18. Let X(n)={Z=x+iy:|zA^(2)le(1)/(n)} for all integers n le 1 then unde...

    Text Solution

    |

  19. Let f: N -> R be such that f(1) = 1 and f(1) + 2f(2) + 3f(3) + nf(n), ...

    Text Solution

    |

  20. On set A= {1,2,3}, relation R and S are given by R={(1,1),(2,2),(3,3)...

    Text Solution

    |