math
posted by ali .
t is a 7digit even number.there is no repetition of digits.the digit 5 is in in thousands place.the greatest digit is in millions place.the digit in the hundred thousands place is twice the digit in the hundreds place.the digit in the hundreds place is twice the digit in the ones place.the digit in the tens place is 2 less than the digit in the millions place.the value of the digit in the ten thousands place is zero.

7 digits
xxxxxxx
5 in 1000s place
xxx5xxx
greatest digit in millions
9xx5xxx
10s = millions2
9xx5x7x
10,000s = 0
9x05x7x
100,000s = 2x100s
100s = 2x1s
9805472
9405271
even, so
9805472