Find the smallest number such that if its rightmost digit
is placed at its left end, the new number so formed is
precisely 50% larger than the original number.
Answers were Sorted based on User's Feedback
Answer / louis
you interverted 2 digits:
from 285174, it becomes 428517 (and not 428571)
the correct number is much bigger:
285714285714285714285714285714285714285714
(check with precision of long;)
| Is This Answer Correct ? | 4 Yes | 2 No |
Answer / martin zhu
105263157894736842 x2=210526315789473684
210526315789473684
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / monkey
its 285174
428571-285714 = 142857
142857 * 2 = 285714
| Is This Answer Correct ? | 5 Yes | 6 No |
Answer / harjit
You guys have specified the answer, but how you reached at
this smallest number is still a mystery. Please explain how
you reached at this answer.
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / mir dawood ali
Sorry for the mistake guys.
The right answer to the question is 142.
If we place 2 on the left most side, then it results in 214 which is 50.7042% larger than the original number.
The % difference as that of my previous answer of 213.
SO the right answer is 142.
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / kapil
There is no solution to this question in integer format
try doing the mathematical proof of it... you will come to know
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / mir dawood ali
I think the answer to this question is 213.
If we place 3 on the left most side, then the resulting number would be 321 which is 50.7042% larger than the original number.
| Is This Answer Correct ? | 0 Yes | 2 No |
Answer / justin weeks
Precisely 50% is not possible, but approximately 50% is. Little number is 2143 and big number is 3214. Exact ratio is 1.4997667.
| Is This Answer Correct ? | 0 Yes | 7 No |
A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396. What is the sum of the three digits?
Four prisoners escape from a prison. The prisoners, Mr. East, Mr. West, Mr. South, Mr. North head towards different directions after escaping. The following information of their escape was supplied: ? The escape routes were North Road, South Road, East Road and West Road ? None of the prisoners took the road which was their namesake ? Mr. East did not take the South Road ? Mr.West did not the South Road ? The West Road was not taken by Mr. East What road did each of the prisoners take to make their escape
A number. if it is divided by 2 reminder 1, if it is divided by 3 reminder 1, if it is divided by 4 reminder 1, if it is divided by 5 reminder 1, if it is divided by 6 reminder 1, if it is divided by 7 reminder 1, if it is divided by 8 reminder 1, if it is divided by 9 reminder 1, if it is divided by 10 reminder 1, and if it is divided by 11 reminder 0. its greater then 100. which is that number. this puzzle has been appeared in one of written test(aptitude for 20 marks).
21 Answers Infosys, MNBC, NSN,
Yesterday in a party, I asked Mr. Shah his birthday. With a mischievous glint in his eyes he replied. "The day before yesterday I was 83 years old and next year I will be 86." Can you figure out what is the Date of Birth of Mr. Shah? Assume that the current year is 2000.
Mrs. F has invited several wives of delegates to the United Nations for an informal luncheon. She plans to seat her 9 guests ina row such that each lady will be able to converse with the person directly to her left and right. She has prepared the following list. Mrs. F speaks English only. Mrs. G speaks English and French. Mrs. H speaks English and Russian. Mrs. J speaks Russian only. Mrs. K speaks English only. Mrs. L speaks French only. Mrs. M speaks French and German. Mrs. N speaks English and German. Mrs. O speaks English only. How many distinct seating arrangements are possible? Give all possible seating arrangements. Note that ABCD and DCBA are the same.
What is the four-digit number in which the first digit is 1/3 of the second, the third is the sum of the first and second, and the last is three times the second?
A contractor had employed 100 labourers for a flyover construction task. He did not allow any woman to work without her husband. Also, atleast half the men working came with their wives. He paid five rupees per day to each man, four ruppes to each woman and one rupee to each child. He gave out 200 rupees every evening. How many men, women and children were working with the constructor?
three people given 25 rupee each to there servent to purchase a book.book seeler return 5 rs. then servent keep 2 rupee and return 1 rs each,now they spend 24 rs eachand servent have 2 rs so totel is 74 rs now where is 1 rupee?
where will be the handle for a cup?
A blindfolded man is asked to sit in the front of a carrom board. The holes of the board are shut with lids in random order, i.e. any number of all the four holes can be shut or open. Now the man is supposed to touch any two holes at a time and can do the following. ? Open the closed hole. ? Close the open hole. ? Let the hole be as it is. After he has done it, the carrom board is rotated and again brought to some position. The man is again not aware of what are the holes which are open or closed. How many minimum number of turns does the blindfolded man require to either open all the holes or close all the holes? Note that whenever all the holes are either open or close, there will be an alarm so that the blindfolded man will know that he has won.
name the cities which consist of a fruit name in its starting?
Outside a room there are three light switches. Each switch is connected to a different light bulb inside the room. Each of the three switches can be either 'ON' or 'OFF'. You are allowed to set each switch the way you want it, once, and then enter the room. Your task is to then determine which switch controls which bulb. How can you do it?