How many plants will be there in a circular bed whose outer edge measure 35 cms, allowing 4 cm2 for each plant ? Choose the correct choice from the following answers.
A) 18
B) 750
C) 24
D) 19
E) none of these

Rationale: "circumference of circular bed = 35 cm area of circular bed = ( 35 ) 2 â  „ 4 ï € space for each plant = 4 cm 2 â ˆ ´ required number of plants = ( 35 ) 2 â  „ 4 ï € ã · 4 = 24.36 = 24 ( approx ) answer c"
Answer: C