1. A and B are given pens in the ratio 6:7. B and C are given pens in the ratio 14:15
b. If the total number of pens given to A and C is 36, find the ratio of the number of pen
and C gets.
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Acoustics is a branch of physics that deals with the study of mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and
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