During the last four years a doctor has shown annual growth of his income as given below:

What would be his income growth in 1999?

Options

A. a)40
B. b)30
C. c)35
D. d)45

Answer

B

Explanation

From 1995 to 1996 the growth in income `=(25)/(10)xx100=25%`
From 1995 to 1997 the growth in income `=(75)/(10)xx100=75%`
`75%=25xx3`
From 1995 to 1998 the growth
in income `=(15)/(10)xx100=150%`
`150%=25xx(3xx2)`
From 1995 to 1999 the growth in income
`=25xx(6xx2)=300%`
`300%` of `10=(300)/(100)x10=30`