Question

Brain teasers


1. the sum of the digits of a certain three digits number is 12. If the hundreds digits is three times the tens digits , and the tens digits is one-half the ones digits what is the number?



plese solve this problem​

Answer 1

Answer:

624

Step-by-step explanation:

let 100 degit number be X,10 degit number be Y & ones number degit be Z

As per data,

A. X+Y+Z=12

B. 3Z/3+Z/2+Z=12

or. 6Z =24

or. Z = 4

then Y = 2 & X= 6

Sum of degits =12

& number = 624

QED