Question

आप only '2' को use करके 23 लाना है । आप उसमे add and subtract and multiple and divide कर सकते है​

Answer 1

Answer:

21+2, 25-2 this is your answer

Answer 2

Answer:

Sound is caused by the simple but rapid mechanical vibrations of various elastic bodies. These when moved or struck so as to vibrate, communicate the same kind of vibrations to the auditory nerve of the ear, and are then appreciated by the mind.