Question

6) If 3 + 2a = 1 – a, then a = ?
a) 1
3
b) −2
3
c) 3 d) -3
7) If two lines intersect each other then the vertically opposite angles are:
a) Unequal b) 900
c) Equal d) none of these
8) In a right triangle, the ____ is the longest side.
a) perpendicular b) base c) median d) hypotenuse
9) The letter M of the English alphabet has:
a) 1 line of symmetry b) 2 lines of symmetry c) 3 lines of symmetry d) none of these
10) A cuboid has __ rectangular faces.
a) 4 b) 6 c) 8 d) 12
11) A cone has __ curved edge.
a) 2 b) 3 c) 1 d) 4
12) 1 hectare = ?
a) 1000 m2
b) 100 m2
c) 10 m2
d) 10000 m2

Answer 1

HERE ARE THE ANSWERS:

6) Let's keep "a" as "x" here.

$3 + 2x = 1 - x$

$2x + x = - 2$

$3x = - 2$

$x = - 2 \div 3$

so, b) a= -2/3

7) c) equal

8) d) hypotenuse

9) a) 1 line of symmetry

10) b) 6 faces

11) c) 1

12) d) 10000m^2