Crossword Puzzle Class 10th

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Across
  1. 3. If D > 0, then the roots are
  2. 7. If the circumference of a circle increases from 4 to 8, then its area is
  3. 8. The line represented by x = 7 is _____ to the x-axis
  4. 12. P(A) = 1 , then A is called _____ event
  5. 15. If two triangles are similar, then their corresponding sides are
  6. 17. 'Lines are parallel if they do not intersect' is stated in the form of a
  7. 19. The lines x = a and y = b are
Down
  1. 1. volume of a cone is _______ of volume of cylinder
  2. 2. All circles are_______
  3. 4. If the three altitudes of a triangle are equal then triangle is
  4. 5. For all positive integer n, 2n + 1 is
  5. 6. If an events cannot occur, then its probability is
  6. 9. The tangents drawn at the ends of the diameter of a circle are_______
  7. 10. Every real number is a zero of the _______ polynomial
  8. 11. Mode is the value of observation having _____ frequency
  9. 13. The distance of a point from the x-axis is called _
  10. 14. Construction of a cumulative frequency table is useful in determining the_____
  11. 16. During conversion of a solid from one to another, the _____ remains unaltered
  12. 18. The degree of zero polynomial is _
  13. 20. HCF of smallest prime number and smallest composite number is