Crossword

5. if we have the relation R, if and only if we have: (a, b) ∈ R ∧ (b, a) ∈ R ⇒ a = b then the matrix is said to be ____ matrix??(13)
7. What is the fourier series coefficient for n=0?(4)
9. For an inverse to exist it is necessary that a function should be ______?(6)
10. In normal distribution the highest value of ordinate occurs at? (4)
12. A equation (p->q)v(q->p) is ____(9)
14. Two sets are disjoint if there ___ is the empty set(12)
16. If two families of curves are such that every member of one family intersects every other family at right angles then they are said to be ___type of trajectories (10)
17. The graph that displays data using line segment __ (11)
19. In which number system there is no symbol for zero? (5)
20. 1,2,3:1,4,9:1,_,27 (5)

1. Normal distribution is also called as ___?(8)
2. Which rule of numerical integration is used if n is multiple of 2? (7)
3. The strength of relationship that exists between the two variable x and y is called? (11)
4. The set of positive integers is? (8)
6. The point where edges of figure intersect ___(9)
8. The statement that is accepted as true with proof? (9)
11. A graph of ___function is always symmetric about y-axis (4)
13. The graph of "Odd" function is always symmetric about ___?(6)
15. The number of diagonals that can be drawn in the hexagon is____ (4)
18. A straight line with only one end point that extend infinitely (3)