The capacities of two hemispherical vessels are 6.4 litres and 21.6 litres. The areas of inner curved surfaces of the vessels will be in the ratio of `sqrt(2)\ :sqrt(3)` (b) 2 : 3 (c) 4 : 9 (d) 16 : 81

Two hemispherical vessels can hold 10.8 litres and 50 litres of liquid respectively. The ratio of their inner curved surface areas is ________.

The capacities of two hemispherical bows are 6.4 litres and 21.6 litres respectively. Then the ratio of their internal curved surface areas will be:- दो अर्द्ध गोलाकार कटोरे की क्षमता क्रमशः 6.4 लीटर और 21.6 लीटर है। तो उनके आंतरिक पृष्ठीय क्षेत्रफल का अनुपात होगा।

The value of (3+sqrt(2))(3-sqrt(2)) is: (a) 0 (b) 6 (c) 9 (d) 7

A ratio equivalent to 2:3 is 4:3 (b) 2:6(c)6:9 (d) 10:9

Sides of two similar triangles are in the ratio 4:9. Areas of these triangles are in the ratio.2:3(b)4:9( c) 81:16( d ) 16:81

The volumes of two spheres are in the ratio of 64 : 27. The ratio of their surface areas is (a) 1 : 2 (b) 2 : 3 (c) 9 : 16 (d) 16 : 9

If the ratio of the volumes of the spheres is 8:27, then the ratio of their surface areas is a )4:9 b) 9:4 c) 4:3 d 2:9

The circumferences of two circles are in the ratio 3:4. The ratio of their areas is 3:4 (b) 4:39:16(d)16:9

The radii of two circles are in the ratio 2:3. The ratio of their areas is (a) 2:3 (b) 4:9 (c) 3:2 (d) 9:4