Question

Sex ratio in the world is calculated as?

Options

• Number of males per thousand of females in a population.×

• (No. of males)/(No. of females) × 1000

• In countries like India sex ratio is calculated as number of females per thousand of males

• All the above

Answer 1

All the above

Explanation:

The global sex ratio is calculated as the number of males per thousand females in a population. Sex ratio = (Number of males)/(Number of females) × 1000. In countries such as India, the sex ratio is expressed as the number of females per thousand males.

Sex ratio = (Number of females)/(Number of males) × 1000