Home
Class 12
MATHS
Let x(1),x(2),.........x(15) be 15 disti...

Let `x_(1),x_(2),.........x_(15)` be 15 distinct numbers chosen from 1,2,3,……..,15. Then the value of

A

always `le0`

B

0 (zero)

C

always even

D

always odd

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2014

    WB JEE PREVIOUS YEAR PAPER|Exercise MULTIPLE CHOICE QUESTIONS|80 Videos

  • QUESTION PAPER 2016

    WB JEE PREVIOUS YEAR PAPER|Exercise MULTIPLE CHOICE QUESTIONS|75 Videos

Similar Questions

Explore conceptually related problems

A number is chosen at random from the set 1,2,3 …150 and another number is chosen at random from the set 1,2,3….75 find the expected value of the product of the chosen number

If (x_(i), (1)/(x_(i)))(i =1,2,3,4) are the four distinct points on a circle, then the value of x_(1) , x_(2). x_(3) . x_(4) is-

Let y be an element of the set A={1,2,3,4,5,6,10,15,30} and x_(1) , x_(2) , x_(3) be integers such that x_(1)x_(2)x_(3)=y , then the number of positive integral solutions of x_(1)x_(2)x_(3)=y is

If (a^(2)-14a+13)x^(2)+(a+2)x-2=0 does not have two distinct real roots, then the maximum value of a^(2)-15a is _________.

Find the value of {(6x+15) div 3}

If 2f(x) + 3f(-x)=15-4x, state which of the following is the value of [f(1)+f(-1)].

The mode of 15, 17, 16, 16, 15, x, 19, 17, 14 is 15. The value of x is____

If x^4 occurs in the rth term in the expansion of (x^4+1/(x^3))^(15), then find the value of rdot

The polynomial (x^(3)+px^(2)-x+q) is divisible by (x^(2) - 1) and when it is divided by (x - 2), the remainder is 15. Find the values of p and q.

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2015-MULTIPLE CHOICE QUESTIONS
  1. {x""inR":"|cosx|gesinx}cap[0,(3pi)/(2)]

    Text Solution

    |

  2. The number of distinct real roots of |(sinx,cosx,cosx),(cosx,sinx,co...

    Text Solution

    |

  3. Let x(1),x(2),.........x(15) be 15 distinct numbers chosen from 1,2,3,...

    Text Solution

    |

  4. Let [x] denote the greatest integer less than or equal to x Then the v...

    Text Solution

    |

  5. A particle starts moving from rest from a fixed point in a fixed direc...

    Text Solution

    |

  6. lim(nto oo)(sqrt1+sqrt2+......+sqrt(n-1))/(nsqrtn)=

    Text Solution

    |

  7. If lim(xto0)(axe^(x)-blog(1+x))/(x^(2))=3 then the values of a, b are ...

    Text Solution

    |

  8. Area of the region bonuded by y=|x|andy=-|x|+2 is

    Text Solution

    |

  9. Let d(n) denote the number of divisors of n inciuding 1 and iteslf . T...

    Text Solution

    |

  10. The trigonometric equation sin^(-1)x=2sin^(-1)2a has a real solution i...

    Text Solution

    |

  11. If 2+i and sqrt5-2i are the roots of the equation (x^(2)+ax+b)(x^(2)+c...

    Text Solution

    |

  12. Let P(x) be a polynomial, which when divided by x-3 and x-5 leaves rem...

    Text Solution

    |

  13. The integrating factor of the differential equation (dy)/(dx)+(3x^(2)t...

    Text Solution

    |

  14. If y=e^(-x)cos2x then which of the following differential equations is...

    Text Solution

    |

  15. Let f(x) denote the fractional part of a real numbers x. Then the valu...

    Text Solution

    |

  16. Let S={(a,b,c)inNxxNxxN:a+b+c=21,aleblec} and T={(a,b,c)inNxxNxxN:a,b,...

    Text Solution

    |

  17. Let y=e^(x^(2)) and y=e^(x^(2))sinx be two given curves. Then the angl...

    Text Solution

    |

  18. A person goes to office by car or scooter or bus or train, probability...

    Text Solution

    |

  19. The value of int((x-2)dx)/({(x-2)^(2)(x+3)^(7)}^(1//3))is

    Text Solution

    |

  20. In a triangle ABC, angleC=90^(@) , r and R are the in-radius and circu...

    Text Solution

    |