National Level "Mathematical E-Quiz Competition" on the Occasion of "National Mathematics Day".

Q.1 If A and B are non –zero square matrices, this AB=0 implies

Answer  :  (a) A and B are orthogonal

Q2. The difference between the smallest numbers of four digits and the largest number of three digits is

Answer  :  1

Q3. Number of prime numbers in counting 1 to 100

Answer  :  25

Q.4 If eccentricity e=1 then name the conic

Answer  :  Parabola

Q.5 Domain of sequence is

Answer  :  Natural number

Q.6 Slope of two parallel lines is

Answer  :  Equal

Q.7 If A is zero matrix then what about its rank

Answer  :  0

Q.8 Average of first n ever number is

Answer  :  n+1

Q.9 Which of the following can be probability of an event

Answer  :  18/23

Q.10 Probability of leap year having 53 Sundays is

Answer  :  2/7

Q.11 The point of parabola which is closet to the cus is the ___________ of the parabola

Answer  :  Vertax

Q.12 Set of real Number is ____________

Answer  :  Uncuntable

Q.13 Limit Of sequence is ________________

Answer  :  Unique

Q.14 When two lines are perpendicular then the product of their slopes is

Answer  :  -1

Q.15 If f (x) is odd function then mode of f (x) is

Answer  :  even function

Q.16 The line which touches the circle at one point

Answer  :  tangent

Q.17 Is set of rational number is subset of real no’s?

Answer  :  yes

Q.18 Every Convergent sequence is __________

Answer  :  Cauchy

Q.19 If function is One One and onto then function is ________

Answer  :  Invertible

Q.20 Group of prime order is__________

Answer  :  Abelian