Complex Number-Previous years Jee main Questions

Complex number part 2

What would be the percent growth or birth rate per individual per hour for the same population mentioned in the previous question (Question 10)?

The complex number z is purely imaginary , if

In the previous question the tension in the string is

Read the bar graph given in Figure and answer the following questions: What information is given by the bar graph? What was the expenditure on health and family planning in year 1982-83 In which year is the increase in expenditure maximum over the expenditure in previous year? What is the maximum increase?

Answer the following questions , What are the main functions of a leaf?

The population of a city increased by 10% in the previous year. If the present population is 1,32,000, what was the population of the city a year ago?

Plot all the complex numbers in the complex number plane whose asbsolute value is 5.

The conjugate of the complex number represented by the point ( 6-5) is