Question

the ones place digit in the three digit number is two times the digit in the tens place the digit in the hundreds place is three times the digit in the tens place the average of the three digit is 4 the three digit number is?

Answer 1

Answer:

5

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Answer 2

Answer:

624

Step-by-step explanation:

Let the digit in the ten's place be x

then, the digit in the unit's place=2x

and the digit in the hundred's place =3x

$The \: original \: number = 100 \times 3x + 10 \times x + 2x \\ = 300x + 10x + 2x \\ = 312x$

According to the question

Average of three digit is 4 (Given)

$\frac{x + 2x + 3x}{3} = 4 \\ 6x = 12 \\ x = 2$

Original number = 312x=312×2=624