Question

which of the following are in proportion ?90,270,17,51​

Answer 1

Answer:

a part or share of a whole

पूर्ण का एक भाग या अंश

A large proportion of the earth’s surface is covered by sea.A large proportion of the earth’s surface is covered by sea.

2.

the relationship between the size or amount of two things

आकार या मात्रा की दृष्टि से एक वस्‍तु का दूसरी वस्‍तु से संबंध; अनुपात

The proportion of men to women in the college has changed dramatically over the years.The proportion of men to women in the college has changed

Hence, 2,3,6 and 9 are in proportion.