Question

Q6. Factorize : (x-2/3y)3
and (x/3 )- (2/3y)
Q7. Two coins are tossed simultaneously 600 times to get
2 heads : 234 times , lhead : 206 times, 0 heads : 160 times.
PART1: What is the probability of getting at least one head if two coins are tossed at
random ?
a)
b)
d) 15
39
11
103
c)
15
300
100
PART2: What is the probability of getting at MOST one head if two coins are tossed at
random ? ANS
Q8.A cylinder and a cone has equal heights and equal radii of their bases. If their curve
surface areas are in the ratio 8:5. Show that the ratio of radius to height of each is 3:4.
Q9. Show with help of a figure that the bisectors of internal angles of a parallelogram
PQRS form a rectangle.
Q10. If p(x) = x3 - 3x² + 2x then the value of p(V2) is
Q11.If a,b,c are positive real numbers then the value of Va-26/6-2016-2a2
is
Q12. Check if the graph of the linear equation 2x + y = 6 passes through (0,0)​

Answer 1

Answer:

itane sare question