I'm a four digit number, I am an even number, 3 l am not divisible by 2nd and 4th multiples of 2, 4 I have no odd digits, Tam less than one-fourth of 12000, 6 My tens digit is twice of thousands digit, My ones digit is half of twice of thousands digit, The difference of the numbers formed by my first two digits and last two digits is 18, I am I am
Answers
Given : a four digit even number, less than one-fourth of 12010, tens digit is twice of thousands digit, ones digitis half of twice of thousands digit . The difference of the numbers formed by my first two digits and last two digits is 18
To find : Number
Solution:
I am a four digit number
ABCD
Less than (1/4)(12010) < 3002.5 => ≤ 3002
tens digit is twice of
thousands digit,
C = 2A A can be 2 , 4 & C Can be 4 & 8 ( as no odd digits used )
A Can not be 4 as number ≤ 3002
Hence only possibility of A & C
A = 2 & C = 4
Number Becomes
2B4D
ones digit is half of twice of thousands digit
=> ones digit same as thousand Digit ((1/2) * 2 * 2 = 2 )
=> 2B42
numbers formed by my first two digits = 22
42 - 18 = 24 => B = 4
2442
2442 is the Number
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