Question

a) a=2b
b) b=2a
c) a+2b=0
d) 22+b=0
3. If a pair of linear equations in two variables is consistent, then the lines represented by two
equations are
a) Intersecting
b) Parallel
c) Always coincident
d) Intersecting (or) coincident
4. SABC and ABDE are two equilateral triangles such that D is the mid point of BC. The ratio of
the areas of triangles ABC and BDE is
일 a) 2:1
b) 1:2
c) 4:1
d) 1:4
5. In an equilateral triangle ABC, ADIBC, then
le
a) 2AB2 = 3AD?
b) 4AB2 = 3ADZ
c) 3AB2 = 4AD2
d) 3 ABZ
2AD?
6. If the height of a vertical pole is v3 times the length of its shadow on the ground, then the
angle of elevation of the sun at that time is
a) 300
b) 60°
c) 45°
d) 750
7. The volumes of two spheres are in the ratio 64:27. The ratio of their surface areas is
a) 1:2
b) 2:3
c) 9:16
d) 16:9
8. The diameters of two circular ends of the bucket are 44cm and 24cm. The height of the
bucket is 35cm. The capacity of the bucket is
a) 32.71
b) 33.71
c) 34.71
d) 31.71
9. The probability of an impossible event is
5) ao
b) 1
c) /
d) non - existent
10. Two dice are thrown together. The probability of getting the same number on both dice is
a) 12
b) 1/3
c) 1/6
d) 1/12




plz answer me with step by step​

Answer 1

Answer:

a) a=2b

b) b=2a

c) a+2b=0

d) 22+b=0

3. If a pair of linear equations in two variables is consistent, then the lines represented by two

equations are

a) Intersecting

b) Parallel

c) Always coincident

d) Intersecting (or) coincident

4. SABC and ABDE are two equilateral triangles such that D is the mid point of BC. The ratio of

the areas of triangles ABC and BDE is

일 a) 2:1

b) 1:2

c) 4:1

d) 1:4

5. In an equilateral triangle ABC, ADIBC, then

le

a) 2AB2 = 3AD?

b) 4AB2 = 3ADZ

c) 3AB2 = 4AD2

d) 3 ABZ

2AD?

6. If the height of a vertical pole is v3 times the length of its shadow on the ground, then the

angle of elevation of the sun at that time is

a) 300

b) 60°

c) 45°

d) 750

7. The volumes of two spheres are in the ratio 64:27. The ratio of their surface areas is

a) 1:2

b) 2:3

c) 9:16

d) 16:9

8. The diameters of two circular ends of the bucket are 44cm and 24cm. The height of the

bucket is 35cm. The capacity of the bucket is

a) 32.71

b) 33.71

c) 34.71

d) 31.71

9. The probability of an impossible event is

5) ao

b) 1

c) /

d) non - existent

10. Two dice are thrown together. The probability of getting the same number on both dice is

a) 12

b) 1/3

c) 1/6

d) 1/12

plz answer me with step by step