Home
Class 12
MATHS
A password is to be made of 6 to 8 digit...

A password is to be made of 6 to 8 digits from either of the sets `A,B,C,D,E or 1,2,3,4,5` having at least one numeric. If possible password is equal to `k xx 5^6`, then k is equal to

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise Mathematic section B|10 Videos
  • JEE MAIN 2023

    JEE MAINS PREVIOUS YEAR|Exercise Question|435 Videos

Similar Questions

Explore conceptually related problems

If A={1,2,3,4,5} and B={12,3,6,7} then the number of elements in the set (A xx B)nn(B xx A) is equal to

The sets {1,2,3,4} and {3,4,5,6} are equal

A digit is selected at random from either of the two sets {1, 2, 3, 4, 5, 6, 7, 8, 9} and {1, 2, 3, 4, 5, 6, 7, 8, 9}. What is the chance that the sum of the digits selected is 1 0?

A five digit number (having all different digits) is formed using the digits 1,2,3,4,5,6,7,8 and 9. The probability that the formed number either begins or ends with an odd digit,is equal to

If 5xx4=15,7xx8=49 and 6xx5= 24 , then 8xx4 is equal to :

If |[1,2,K],[K,4,5],[5,6,7]|=0 ,then the possible values of K are

JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
  1. Let hyperbola H : x^2-y^2=1 and ellipse E : x^2/a^2+y^2/b^2=1 and ecce...

    Text Solution

    |

  2. A(cos t , sin t), B(sin t ,-cos t) and C(a,b) form an equilateral tria...

    Text Solution

    |

  3. A password is to be made of 6 to 8 digits from either of the sets A,B,...

    Text Solution

    |

  4. The solution of differential equation sin^2(2x) dy/dx+(8sin^2(2x)+4 si...

    Text Solution

    |

  5. Let f(x)=(5x^2)/2 +alpha/x^5, (x gt 0) and minimum value of f(x) is 14...

    Text Solution

    |

  6. If (p^(**)q) odot (p odot ~q) is tautology then ordered pair (odot ,^(...

    Text Solution

    |

  7. Let x^2+y^2-x+2y=11/4 is a circle with RQ and centre C. If P is any po...

    Text Solution

    |

  8. Let A relation R on number defined by xRy hArr 3x+alpha y is multiple ...

    Text Solution

    |

  9. The value of 15 int0^sqrt3 (xdx)/(sqrt(1+x^2+sqrt((1+x^2)^3))) is equa...

    Text Solution

    |

  10. If P(B//A)=5/7 , P(A//B)=7/9 and P(AnnB)=1/9 given S1 equiv P(A' uu B)...

    Text Solution

    |

  11. Absolute maximum value of f(x)=tan^(-1)(sinx-cosx) is

    Text Solution

    |

  12. A class have B boys and G girls , 3 boys and 2 girls selected at rando...

    Text Solution

    |

  13. The number of distinct real values of lamda for which (x-1)/1=(y-2)/2=...

    Text Solution

    |

  14. If tangent drawn from (2,0) to the parabola x=-2y^2 are also tangents ...

    Text Solution

    |

  15. Let f(x)=lim(x to oo)(cos 2pi x -x^(2n) sin (x-1))/(1+x^(2n+1)-x^(2n))...

    Text Solution

    |

  16. Let f(x)=ax^2+bx+c and f(1)=3 , f(-2)=lamda , f(3)=4 then value of lam...

    Text Solution

    |

  17. The value of 60 int0^(pi/2) (sin 6x)/(sinx) dx is

    Text Solution

    |

  18. If 1+(2+^49C1+^49C2+. . .+^49C49)("^50C2+^50C4+^50C6+. . .+^50C50)=m.2...

    Text Solution

    |

  19. The differential equation of all the circles passing through the point...

    Text Solution

    |

  20. If tangent drawn from (2,0) to the parabola x=-2y^2 are also tangents ...

    Text Solution

    |