How many plants will be there in a circular bed whose outer edge measure 34 cms, allowing 4 cm2 for each plant ? Choose the correct choice from the following options:
A) 18
B) 750
C) 23
D) 120
E) none of these

Rationale: "circumference of circular bed = 34 cm area of circular bed = ( 34 ) 2 â  „ 4 ï € space for each plant = 4 cm 2 â ˆ ´ required number of plants = ( 34 ) 2 â  „ 4 ï € ã · 4 = 22.98 = 23 ( approx ) answer c"
Answer: C