The following pie-chart shows the study-time of different subjects of a student in a day. Study the pie-chart and answer the following questions

If the student studied chemistry for 3 hours, then he / she studied geography for

Options

A. 1 hour/ 1 घंटा
B. 2 hours/ 2 घंटा
C. 1 hour 30 minutes/ 1 घंटा 30 मिनट
D. 2 hour 30 minutes/ 2 घंटा 30 मिनट

Answer

D

Explanation

`because 15% = 3 " hr"`
`therefore 10% = (3)/(15) xx 10 =2 " hrs."`