ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Lines and Angles
Question 1
1.
The following angle represents
  • acute angle
  • complete angle
  • reflex angle
  • straight angle
  • right angle
Question 2
2.
Which of the following angles form a linear pair?
  • (∠AOB,∠BOC)
  • (∠BOC,∠COD)
  • (∠COD,∠DOE)
  • (∠DOE,∠EOA)
Question 3
3.
Which of the following are true with respect to lines  c , d , e , f  where  c ∥ d , d ⟂ e , e ⟂ f?
a)
    • d
    • ∥
    • f
b)
    • e
    • ∥
    • f
c)
    • c
    • ∥
    • f
d)
    • c
    • ∥
    • e
e)
    • c
    • ⟂
    • f
  • {d,c,a}
  • {d,c}
  • {e,b,a}
  • {a,c}
  • {b,a}
Question 4
4.
    • Find the complementary angles pair in the following
  • 101°,39°
  • 111°,49°
  • 61°,19°
  • 81°,29°
  • 71°,19°
Question 5
5.
    • Subtract
    •  
    • 14 °   27 '   43 "
    •  
    • from
    •  
    • 36 °   4 '   28 "
  • 21 °   36 '   55 "
  • 6 °   26 '   45 "
  • 21 °   36 '   45 "
  • 31 °   36 '   45 "
  • 21 °   46 '   45 "
Question 6
6.
In the given figure l ∥ m. Find the value of 't'
  • 60°
  • 90°
  • 75°
  • 70°
  • 65°
Question 7
7.
Find the exterior alternate angles in the given figure
  • ∠1 , ∠8 ; ∠2 , ∠7
  • ∠1 , ∠4 ; ∠2 , ∠3 ; ∠5 , ∠8 ; ∠6 , ∠7
  • ∠3 , ∠4 , ∠5 , ∠6
  • ∠3 , ∠5 ; ∠4 , ∠6
  • ∠3 , ∠6 ; ∠4 , ∠5
Question 8
8.
Two lines meeting at a point and making an angle of 90° at the meeting point are called
  • intersecting lines
  • parallel lines
  • perpendicular lines
  • concurrent lines
  • coplanar lines
Question 9
9.
In which of the figures given bellow, l ∦ m(not parallel)?
  • II
  • III
  • I
  • IV
Question 10
10.
The following angle represents
  • complete angle
  • right angle
  • zero angle
  • reflex angle
  • obtuse angle