Question

Nandlal bought 20 dozen notebooks at rs. 156per dozen. he sold 8 dozen of them at 10%gain and the remaining 12 dozen at 20% gain. what is his gain per cent in the whole transaction​

Answer 1

Answer:

Newton's second law of motion states that the acceleration of a system is directly proportional to and in the same direction as the net external force acting on the system, and inversely proportional to its mass. In equation form, Newton's second law of motion is a=Fnetm a = F net m .