Question

1) The LCM of smallest two digit number and smallest composite number is
a) 12
b) 20 c) 4
d) 44
OR
Find the LCM of a and b if a = pqr and b = pq?r
a) pqr b) p qr
d) p?q?r?
2) If the system of equations 2x + 3y = 5,4x + ky = 10 has infinitely many solutions then
k =
a) 6
b) 5
c)-6
d) 10
3) Which of the following is not a quadratic equation?
a) x2 + 3x + 2
b) 1 -/-x?
c) 4x2 + 4x
d) x + 4
4) In AABC, AB-6v3 cm AC-12 cm and BC-6cm, The angle B is:
a)1209 b)60°
d) 45
5) A dice is rolled once Probability of getting a number x such that 1sxs 6.18
b)>1 c) between 0 and 1 d)!
6) Find the sum of the zeroes of the given quadratic polynomial-3x2 + k
7) Find the discriminant of the quadratic equation f(x) = 2x2 + 8 - 3x
8) Ifp-1.p+3, 3p-1 are in AP, then find the value of p.
9) AABC is an isosceles triangle right angled at C with AC 4cm. Find the length of AB
10) If p(E)=0-5, what is the probability of not E'?
c) 900
a)
SECTION B
22) Find a quadratic polynomial whose zeroes are -9 and 3
24) Find the sum of first 8 multiples of 5​

Answer 1

ye question h ya answer?

Answer 2

Answer:

bro what is this it like a big question what it is please explain me