Question

X
3
x²
(iv) x + 2
10)
in its lowest terms is - (1) (ii)
(1)
4x + 4
x + 3
x-2
x+2
II)The sum which is paid by the customer of regular interval towards the remaining balance of the selling price of th
article
(i) Cash Price
(ii)Price (iii)Cash down payment (iv)Instalments
12)How long does a train 200 meters long running at the rate of 80 km/h take to cross an electric pole-
(1)2.5 seconds (ii)5 seconds (111)8 seconds (iv)9 seconds
13)A gun is fired at a distance of 3.32 km form Peyton. She hear the sound 10 seconds later. The speed of the sound
(1)303 m/s (ii)332 m/s (iii)335 m/s (iv)332 km/s
14)Parker and Bentley can do a piece of work in 6 days. Parker alone can do it in 10 days. What time will Bentley,
to do it alone
(1)30 days (ii)25 days (iii)15 days (iv)16 days
x² – 25
-(x + 5)
(x+5)
(x+5)
15)Reduced to the lowest term :
(i)
(iii)
(ii) (x+5)
5
5x - x²
(iv) (x - 5)
х
х
(iii)
1
161f
is a root of the equation x2 + kx = - = 0, then the value of k is - ()-2
(ii)2
2
2
17)If 62- 4ac > 0, then the nature of roots are –
(1)Two real and differents roots (ii)Two real and equal roots (iii)No real roots (iv)None.
18)If b2-4ac < (), the nature of roots are –
(1)No real rowts (ii)Two real and equal roots (iii) Two real and different roots (iv)None.
19)If b2-4ac = 0, the nature of roots are –
(i)No real roots (ii)Two real and equal roots (iii)Two real and different roots (iv)None.
ny Eleven
(112=22​

Answer 1

Answer:

cation for fi

ic:-(61

(ii) A cricket match

s. (iv) Wonders of Science .

- 'C'

e correct alternatives given