Question

Q. 1 Choose the correct option and write:-
1. Volumes of two sphere are in the ration 64:27. The ratio of their surface area is:
(a) 3:4
(b) 4:3
(c) 9:16
(d) 16:9
2.If the area of a circle is 154 cm², then its perimeter is,
(a) 11 cm
(b) 22cm (c) 44 cm (d) 55cm
3.The shadow of a tree is 2003. If the height of the tree is 20m them the angle of elevation of sun will be
(a) 30°
(b) 60°
(d) 75°
4.The distance of the point A (0,6) and B(0,-2) is:
(a) 6
(b) 8
(c) 4
(d) 2
Sides of two similar triangles are in the ratio 4:9 area of these are in the ratio of
(a) 2:3
(b) 4.9
(C) 81:16
(d) 16:81
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Answer 1

Answer:

1. Option D

2. Option C

3. Option A

4. Option B

5. Option D