Take the 2-minute tour ×
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It's 100% free, no registration required.

Q) Strike off any digit from each number in seven rows (need not

be at same place) and combine the same operations with 3 digit numbers

to get the same addition. After this strike off another digit from all

and add all the No.s to get the same 2 digit No. perform the same

process again with 1 digit No.s. Give the ' no.s in 7 rows at

each stage.

I got this from a Q bank , there were no answer

   1 2 3 4

+ 3 4 5 5

----------

4 6 8 9

- 2 3 4 5

----------

2 3 4 4

+ 1 2 5 4

------------

3 6 9 8

My Solution got stuck

Solution 1

i just Gone this much but got stuck here ....

1 2 3 +
3 4 5 
--------
4 6 8 -
2 3 4
-------
2 3 4 +
xxxxxxxx Stopped

Solution 2

1 2 4 +
3 4 5 
--------
4 6 9 -
2 3 5
-------
2 3 4 +
xxxxxxxx Stopped
share|improve this question
add comment

1 Answer

1 3 4 +
3 5 5 
--------
4 8 9 -
2 4 5
-------
2 4 4 +
1 2 5
-------
3 6 9
share|improve this answer
    
thanks . but 1 2 3 4 + 3 4 5 5 <--- Removed 2 and 4 (same place) –  Nifty Jan 13 at 10:57
    
@Nifty, the question says, "need not be at same place" which suggests they can be in the same place if you choose (or not, if you choose) –  jmac Jan 16 at 7:28
add comment

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.