Home
Class 10
MATHS
If ""^(n) P(4)=20(""^(n)P(2)) then find ...

If `""^(n) P_(4)=20(""^(n)P_(2))` then find the value of n.

Promotional Banner

Topper's Solved these Questions

  • SSLC KARNATAKA TOPPERS' ANSWERS MARCH 2018 Class-X

    OSWAAL PUBLICATION|Exercise SECTION-D |10 Videos
  • SSLC KARNATAKA TOPPERS' ANSWERS MARCH 2018 Class-X

    OSWAAL PUBLICATION|Exercise SECTION-E |4 Videos
  • SSLC KARNATAKA TOPPERS' ANSWERS MARCH 2018 Class-X

    OSWAAL PUBLICATION|Exercise SECTION-B (Answer the following) |6 Videos
  • SOME APPLICATION OF TRIGONOMETRY

    OSWAAL PUBLICATION|Exercise TEXTBOOK CORNER EXERCISE 12.1|16 Videos
  • STATISTICS

    OSWAAL PUBLICATION|Exercise TEXTBOOK CORNER (EXERCISE 13.4)|3 Videos

Similar Questions

Explore conceptually related problems

If .^(n)P_(5)=20 .^(n)P_(3) , find the value of n.

If ""^(n)P_(4) = 24^(n)C_(5) then the value of n=

If .^(m+n)P_(2)=90 and .^(m-n)P_(2)=30 , find the value of m and n .

If p=-2 find the value of : 4p+7

If .^(20)C_(n+1) = ^ (n) C_(16) , then the value of n is

If p=-2 find the value of : -3p^2+4p+7

If .^(n)P_(3)+.^(n)C_(n-2)=14n , the value of n is

If .^(9)P_(5)+5 .^(9)P_(4)=.^(n)P_(r) then n+r equals

If n+2C_(8):n-2P_(4)=57:16 then the value of 'n' is

If ,^(n) P_r=^n P_(r+1) and ^n C_r=^n C_(r-1,) then the value of n+r is.

OSWAAL PUBLICATION-SSLC KARNATAKA TOPPERS' ANSWERS MARCH 2018 Class-X-SECTION-C
  1. If U= {0, 1, 2, 3, 4}and A={1, 4}, B={1, 3} show that (A cup B)^(l) = ...

    Text Solution

    |

  2. Find the sum of the series 3+7+11+….. to 10 terms.

    Text Solution

    |

  3. At constant pressure certain quantity of water at 24^(@)C is heated. ...

    Text Solution

    |

  4. Prove that 2+sqrt(5) is an irrational number.

    Text Solution

    |

  5. If ""^(n) P(4)=20(""^(n)P(2)) then find the value of n.

    Text Solution

    |

  6. A dice numbered 1 to 6 on its faces is rolled once. Find the probabili...

    Text Solution

    |

  7. What are like surds and unlike surds?

    Text Solution

    |

  8. Rationalise the denominator and simplify: (sqrt(5)+sqrt(3))/(sqrt(5)...

    Text Solution

    |

  9. find the quotient and the remainder when f(x)= 2x^(3)-3x^(2)+5x-7 is d...

    Text Solution

    |

  10. Find the zeros of the polynomial p(x) = x^(2)-15x +50.

    Text Solution

    |

  11. Solve the equation x^(2)-12x +27 =0 by using formula.

    Text Solution

    |

  12. Draw a chord of length 6 cm in a circle of radius 5 cm. Measure and w...

    Text Solution

    |

  13. In ABC, angleABC=90^(@), BD bot AC. If BD = 8 cm , AD = 4 cm, find CD...

    Text Solution

    |

  14. In DeltaABC, XY || BC and XY=(1)/(2)BC. If the area of DeltaAXY=10cm^(...

    Text Solution

    |

  15. Show that, cot theta.costheta +sin theta = cosec theta

    Text Solution

    |

  16. A student while conducting an experiment on Ohm's law, plotted the gra...

    Text Solution

    |

  17. Draw the plan for the information given below: (Scale 20 m = 1 cm)

    Text Solution

    |

  18. Out of 8 different bicycle companies, a student likes to choose bicycl...

    Text Solution

    |