A,B,CD are the positive integer less than 10
1)A is 3 times of B
2)The difference between B and D is 2
3)C is 1 less than D
Which is the smallest
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A is greater than B
C is less than D
I've made a table listing all the possibilities.
A B C D
9 3 4 5/1
6 2 3 4/0
3 1 2 3/-1
The last column under D can be a little confusing but it is just a list of values taking into consideration the fact that D can either be either greater or lesser than B since the question stated difference. But by finding C, we can see that D has to be greater than B, otherwise, the values of C would be either 0 or negative.
From this, we can clearly see that B is the smallest.
C is less than D
I've made a table listing all the possibilities.
A B C D
9 3 4 5/1
6 2 3 4/0
3 1 2 3/-1
The last column under D can be a little confusing but it is just a list of values taking into consideration the fact that D can either be either greater or lesser than B since the question stated difference. But by finding C, we can see that D has to be greater than B, otherwise, the values of C would be either 0 or negative.
From this, we can clearly see that B is the smallest.
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