The mastermind behind IQuanta, Indrajeet Singh is an expert in Quant and has devised some ingenious formulae and shortcuts to significantly cut down on the time taken to solve a problem
Q.1) If 5^x-3^y=13438 and 5^(x-1)+3^(y+1)=9686 then find x+y.
a)13
b)14
a)13
Solution:
Here we can go by hit n trial
13438 is 5 digit number so 5^x must be...
https://youtu.be/oKOobI2gn7M
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