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

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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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