mathematics,class10

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Across
  1. 1. 4.if equation has b2-4ac=0 is known as ___________ roots
  2. 3. 15.this line meets the circle in two point
  3. 6. 28.if the circumference and the area of the circle are numerically equal,then diameter is______________
  4. 9. 18.the common point of a tangent to a circle and the circle called______________
  5. 13. 9. the fixed no.that are adding to preceding term is called_____________
  6. 19. 27.the part of the circular portion enclosed by a chord and an arc,is known as__________
  7. 21. 12.the__________ form of an A.P. is a,a+d,a+2d,a+3d.....
  8. 22. 6.if 2 is a roots of a equation x2+ax+12=0 and quadratic equation x2+ax+q=0 has equal root then q=
  9. 23. 31.12 solid sphere of same size are made by melting a solid metallic cylinder of base radius 1 cm.and height 1/3 of 48 cm ,then radius of sphere is________________
  10. 25. 2.quadratic formula is known as_____________
  11. 27. 14.write the value of x for which 2x,x+10and 3x+2 are in A.P.
  12. 28. 26.the part of the circular portion enclosed by two radii and an arc,is known as__________
  13. 29. 19.how many a circle have
Down
  1. 2. 24.the_________of sight is the line drawn from the point of observer eye to point of object view
  2. 3. 10. it is the arrangement of no. whose element follows certain general pattern either from the beigning or after some term are called_________
  3. 4. 22.if point A(X1,Y1),B(X2,Y2) and C(X3,Y3)are__________then X1(y2-y3)+X2(Y3-Y1)+X3(Y1+Y2)=0
  4. 5. 11.this value of discriminant gives equal roots of quadratic equation____________-
  5. 7. 17.a circle can have_______ parallel tangent
  6. 8. 8.successive term are obtained by adding fixed no to preceding term such list of no. called______-
  7. 10. 7.each of the no. in the list is called a ________
  8. 11. 29.the object is combined with a hemisphere to give plumb line
  9. 12. 23.if x is a positive integer such that the points P(X,2) and Q(3,-6) then X=____________
  10. 14. 21.the abscissa and____________of a given point are the distance of the point from x-axis and y-axis
  11. 15. 3.in a quadratic equation ax2+bx+c=0 this is represent by b2-4ac
  12. 16. 30.the object is obtained by cutting a cone by a plane parallel to base
  13. 17. 32.a bicycle wheel makes 5000 revolution in moving 11 km. find diameter of wheel
  14. 18. 13.write the common difference of an A.P. whose nth term is an=3n+7
  15. 20. 25.the theoretical probability is also called___________
  16. 24. 1.a_______equation in a variable x of form ax2+bx+c=0 where a,b,c are real no.
  17. 26. 20.another name of x-axis