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A number of 9 digits has the following properties:
? The number comprising the leftmost two digits is divisible
by 2, that comprising the leftmost three digits is divisible
by 3, the leftmost four by 4, the leftmost five by 5, and so
on for the nine digits of the number i.e. the number formed
from the first n digits is divisible by n, 2<=n<=9.
? Each digit in the number is different i.e. no digits are
repeated.
? The digit 0 does not occur in the number i.e. it is
comprised only of the digits 1-9 in some order.
Find the number.
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Answer / guest
The answer is 381654729
One way to solve it is Trial-&-Error. You can make it bit
easier as odd positions will always occupy ODD numbers and
even positions will always occupy EVEN numbers. Further 5th
position will contain 5 as 0 does not occur.
| Is This Answer Correct ? | 16 Yes | 2 No |
1,5,7,40,15,_? next no no arithmetic simple logic...
3 Answers Bosch, iStepup Services, Suzuki,
All of the tickets for 2 music concerts, X and Y, were either purchased or given away, and the ratio of X tickets to Y was 2 to 1. Of the total number of X tickets and Y tickets, what percentage was purchased? 1) The total number of X tickets and Y tickets, is 240. 2) Of the X tickets, exactly 60% were purchased, and of the Y tickets, exactly 80% were purchased. a) if statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question. b) if statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question. c) if BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient. d) if EACH statement ALONE is sufficient to answer the question asked. e) if statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.
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