CBSE - X
Question 1
The HCF of 
and 
is ____.
A) 900
B) 920
C) 980
D) 948
Question 2
On dividing a polynomial 
by 
the quotient and the remainder were 
and 18 respectively. The polynomial 
____.
A) 
B) 
C) 
D) 
Question 3
When the lines 
and 
are plotted on a graph, the lines intersect at ____.
A) (6, 2)
B) (12, 6)
C) (5, 1)
D) (10, 6)
Question 4
The roots of 
are real if 
A) True
B) False
Question 5
If in an 
then the values of 
and 
are respectively ____.
A) 3 and 2
B) 2 and 3
C) 3 and 5
D) 5 and 7
Question 6
A ladder reaches a window which is 12 m above the ground on one side of the street. Keeping its foot at the same point the ladder is turned to the other side to reach a window 9 m high. If the ladder is 15 m high, then the width of the street is ____.
A) 20 m
B) 21 m
C) 16 m
D) 23 m
Question 7
is the midpoint of the line joining the points 
and 
The coordinates of the point R are ____.
A) 
B) 
C) 
D) 
Question 8
If 
then 
____.
A) 2
B) 4
C) 8
D) 16
Question 9
The angles of elevation and depression of the top and bottom of a light house from the top of a building of 60 m high are 30o and 60o respectively. The height of the light house is ____.
A) 76 m
B) 78 m
C) 80 m
D) 82 m
Question 10
In the figure below, PA and PB are two tangents to a circle with centre O. If ∠AOB = 110o, then ∠APB = ____.
A) 50o
B) 60o
C) 70o
D) 80o