Find out whether there is any grammatical error in below sentence. A small baby breathes about / 45 times per minute while / a child of about six years breathes about 25 times per minute.

A. A small baby breathes about

B. 45 times per minute while

C. a child of about six years breathes about 25 times per minute

D. No error

✅ The correct answer is option D.

232. Find out whether there is any grammatical error in below sentence. A small baby breathes about / 45 times per minute while / a child of about six years breathes about 25 times per minute.