Question 6

In a 3-digit number, the hundreds digit is 4 times the units digit and the tens digit is thrice the units digit. The sum of the digits is 8. What 1s the tens digit in the number?

Solution

Let the number be xyz
Given x=4z,y=3z
x+y+z=8
4z+3z+z=8
z=1
x=4
y=3 


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