Question

In a garden $10\%$ pink rose plants $30\%$ red rose plants and $40\%$ white rose plants are present out of $400$ plants and the remaining are jasmine plants. The number of jasmine plants is

• A. $320$
• B. $80$
• C. $400$
• D. $160$

Answer 1

Answer: (B)

$80$

Total percentage of roses=$10+30+40=80\%$

So, the percentage of jasmine flowers$=100-80=20\%$

Number of jasmine flowers $=\frac{20}{100}\times 400=80$