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What is the value of P in the following Equation ? 192.5 × 19p = 197

Correct Answer: 4.5

Explanation:

Given equation is  


   19 2 . 5   × 19 p   =   19 7    


Here it is in the form of  a m   ×   a n   =   a m + n   


 Here m = 2.5 , n = p, m+n = 7


 => 2.5 + p = 7 


 => p = 7 - 2.5


 => p = 4.5


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