Question

(1) Ifa band care distinct co-prime numbers then LCM @b,c) =
(2) fą band care distinct co-prime numbers then HCF (a, b,c) =
(3) According to Euclid's division lemma, any positive integer 'a' can be represented in
the form of any other positive integer 'b'as a = bq + r, where_srs_
(4) 32.101101110. is _number. (rational / irrational)
(5) 42/11200 is decimal (teminating / recurring/non-recurring)
(6) 1f-3 is one of the zeroes of the polynomial (k-1)x2 + kx + 1, find the value of k
(7) What will be the number of real zemes of the polynomial x2 +1?
(8) Ifa and 1/a are zerdes of 4x2 - 17x + k-4, find value of k
(9) What will be the number of zerdes of the polynomials whose graphs are parallel to
() y-axis (ii) x-axis.
(10) How many maximum (II) minimum number of zerdes can a quadratic polynomial
have?
(11) The pair of equations x + 2y + 5 = 0 and 3x-6y +1=0 have
(a) infinite number of solutions (b) unique solution
(c) no solution
(d) one solution
(12) The sum of the digits of a two-digit number is 9. If27 is added to it the digits of the
numbers get reversed The number is
(a) 36
() 72
(©) 63
(d) 25
(13) Five years ago, A was thrice as old as B and ten years later A shall be twiæ as old as B,
then the present age of A is
(a) 20
(b) 50
(c) 30 (d) none of these
(14) If 2x + 3y = 0 and 4x – 3y = 0, then x + y equals:
(a) 0 (b)-1 ©1 (d) 2
(15) If bx + ay= 22 + b2 and ax - by = 0, then the value ofx-y equals:
(a) a - b (b) b-a (c) a2-b2 (d) b + a2
(16) Point A(-5, 6) is at a distance of ____ units from origin.
(17) If the points (1,x),(5,2) and (9,5) are collinear then the value of x is
(18) AOBC is a rectangle whose three vertices are A(0,3), 0(0,0) and B(5,0). The length
of its diagonal is -
(19) The end points of diameter of cirde are (2, 4) and (-3,-1) The radius of the circle is
(20) The point which divides the line segment joining the points (7.-6) and (3, 4) in ratio
1:2 internally lies in the quadrant​

Answer 1

Answer:

4. Its a irrational number because two times of decimals.