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.
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 |
wo kya cheez hai jo saal me 1 baar mahine me 2 baar hafte me 4 baar aur din me 6 baar aati hai
39 Answers AAA, Global Systems, Google, Human Resources, Infosys, IOCL, Matter and Co, Mind Tree, Prakash Industries, Samsung, Serco, Shani, Shreya Garments, Suman Industries, TNT, VIP, WhatsApp, YDS,
Arrange five planets such that 4 of them add up to 5th planet numerically. Each of the letters of the planet should represent a unique number from the range 0 - 9. You have to use all ten digits. There is an amazing mathematical relationship exists among the names of the planet.
There is a shortage of tubelights, bulbs and fans in a village - Kharghar. It is found that ?All houses do not have either tubelight or bulb or fan. ?exactly 19% of houses do not have just one of these. ?atleast 67% of houses do not have tubelights. ?atleast 83% of houses do not have bulbs. ?atleast 73% of houses do not have fans. What percentage of houses do not have tubelight, bulb and fan?
a circle is drawn...roughly in paper...the interviewer asked me to find centre point of circle?the radius,circumference is not known?how to find it?
19 Answers Accenture, HCL, Infosys, Manhattan,
Pooja and Esha met each other after long time. In the course of their conversation, Pooja asked Esha her age. Esha replied, "If you reverse my age, you will get my husbund's age. He is of course older than me. Also, the difference between our age is 1/11th of the sum of our age." Can you help out Pooja in finding Esha's age?
why do you want to work here?
one man driving a car in a lonely forest .. it was raining at that moment ...suddenly one of the car tyre got punchured...and he is having stephiny in his car ...he gets it and he tried to fix that stephiny...when he removes the bolts of punchred tire all are gone into mud...all bolts... fell into mud...and that bolts he never get...then, how can he reach safely to home... by driving his car..?
In a college, the science department has three disciplines. In total, 280 students study chemistry, 254 students study physics and 280 students study biology. 97 students study both chemistry and physics, 138 students study both physics and biology, 152 students study both chemistry and biology. 73 students study all three disciplines. Can you determine how many students there are in the science department?
7 Answers Accenture, HSPA, Satyam,
To move a safe, two cylindrical steel bars 7 cms in diameter are used as rollers. How far will the safe move forward when the rollers have made one revolution?
Vipul was studying for his examinations and the lights went off. It was around 1:00 AM. He lighted two uniform candles of equal length but one thicker than the other. The thick candle is supposed to last six hours and the thin one two hours less. When he finally went to sleep, the thick candle was twice as long as the thin one. For how long did Vipul study in candle light?
In a city, The police has surrounded the Bank. There are 50 people in the building. Each person is either an engineer or a manager of the bank. All computer files have been deleted, and all documents have been shredded by the managers.
if you are running in the race and you overtakes 2nd no player then whats your position?