M4maths Previous Puzzles

12 Mar 2012 ab-ba = ?

Difference of the greatest and least positive 9 digit number formed by using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9
Repetition of the digits is not allowed

OPtion

1) 864297532
2) 864197532
3) 854197532
4) 864296532
5) 854296532
6) 864197432
7) 864197542
8) 854397532
9) 846197532
10) none of these

Solution

greatest number = 987654321
least number = 123456789
Difference = 864197532

Correct Option: 2 Best Solution (18)

Vignesh   13 years AGO

Greatest Number = 987654321
Least Number = 123456789

Difference = 987654321 - 123456789
= 864197532

Like? Yes (7) | No   

Tijo Jose   13 years AGO

987654321 - 123456789 = 864197532

Like? Yes (2) | No   

Thushara P.T   13 years AGO

987654321 - 123456789
= 864197532

Like? Yes (1) | No   

Balakumaran N.A   13 years AGO

Least positive 9 digit: 123456789
Greatest Positive : 987654321

Differences : 864197532

Like? Yes (1) | No   

nithya   13 years AGO

greatest: 987654321
smallest: 123456789
diff: 864197532

Like? Yes (1) | No   

Balakrishnan M   13 years AGO

Greatest positive 9 digit number is 987654321
Least positive 9 digit number is 123456789
Difference = 987654321 - 123456789
= 864197532

Like? Yes (1) | No   

sivakumar   13 years AGO

greatest number is 987654321 and the least positive number is 123456789 the difference is 864197532;

Like? Yes (1) | No   

Mehul MKDP   13 years AGO

987654321 less 123456789 is d ans.
is it so easy? Y

Like? Yes (1) | No   

Anuradha   13 years AGO

9 digit greatest +ve integer is 987654321
9 digit least +ve integer is 123456789
Their Difference is : 864197532

Like? Yes (1) | No   

Pratik Goyal   13 years AGO

greatest number is 987654321 and the least number is 123456789 so the difference is 864197532

Like? Yes (1) | No   

balaji   13 years AGO

987654321 - 123456789 = 864197532

i.e. (2) is the answer.

Like? Yes (1) | No   

B.Senthil Kumar   13 years AGO

987654321-123456789=864197532

Like? Yes (2) | No (1)  

T.THIRUMALAISRINIVASAN   13 years AGO

greatest no=987654321
least=123456789
ans=864197532

Like? Yes (1) | No   

raja   13 years AGO

987654321-123456789=864197532

Like? Yes (1) | No   

sumeet sharma   13 years AGO

largest 9 digit without repitition is 987654321
smallest is 123456789
987654321 - 123456789 = 864197532

Like? Yes (1) | No   

Shiv Kumar   13 years AGO

Heighest Number is 987654321
Lowest Number is 123456789

Difference of these two numbers is 864197532

Like? Yes (2) | No (2)  

Gunaseelan   13 years AGO

987654321-123456789=864197532

Like? Yes (1) | No (1)  

Nishant singh   13 years AGO

greaeast 9 digit no. is 987654321
least 9 digit no. is 123456789
so the difference is
1 2 3 4 5 6 7 8 9
9 8 7 6 5 4 3 2 1
.....................
8 6 4 1 9 7 5 3 2

Like? Yes (1) | No (1)