In a 3-digit number, the tens digit is thrice the units digit and the hundreds digit is four times the units digit. Also, the sum of its digits is 16. Find the number.
Let the units place digit be x.
Our given condition is that the tens digit is thrice the units digit and the hundreds digit is four times the units digit and sum of digits is 16.
∴ By given condition,
4x + 3x + x = 16
8x = 16
x =2
∴ The number is 862.