Where Quant meets Logic
x = 100 y = 41a+b=141
Sorry! The answer is :: 229 for x =100 and y = 229i used the funda ::ax+by = kGet any value of (x,y) which satisfies the equation and then the next solution i.e x1,y1 is (x +- coeff of y ) (y+- coeff of x)here x will decrease by 8 and y will increase by 19.the last value which wud satisfy is x=4 and y = 229Regards!
329
yupp 329 is righlty done 100 is easy 229 is just a bit more :)
Can somebody explain how the correct answer is 329 ?
Riya its pretty simple for x max can be easily found to be 100as 1900+90+8=1998now case 219x+90+8y=1998as all terms are even so is xwe check for x=2 does not give integer y we check for x=4 gives y=229we are done here
x = 100 y = 41
ReplyDeletea+b=141
Sorry! The answer is :: 229 for x =100 and y = 229
ReplyDeletei used the funda ::
ax+by = k
Get any value of (x,y) which satisfies the equation and then the next solution i.e x1,y1 is (x +- coeff of y ) (y+- coeff of x)
here x will decrease by 8 and y will increase by 19.
the last value which wud satisfy is x=4 and y = 229
Regards!
329
ReplyDeleteyupp 329 is righlty done
ReplyDelete100 is easy
229 is just a bit more :)
Can somebody explain how the correct answer is 329 ?
ReplyDeleteRiya its pretty simple
ReplyDeletefor x max can be easily found to be 100
as 1900+90+8=1998
now case 2
19x+90+8y=1998
as all terms are even so is x
we check for x=2 does not give integer y
we check for x=4 gives y=229
we are done here