The plural form of 'radius' is-

A Raddi

B radiuses

C radises

D radius

Solution

Correct Answer: Option B

singular number এর শেষে us থাকলে plural করার সময় us এর স্থলে i হবে অথবা us+es করতে হবে।
singular ----plural
Alumnus---Aluni
Focus---Foci
Genius--Genii/Geniuses
Radius--Radii/Radiuses
Stimulus--Stimuli

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