278
Question
Which of the following is the missing section?
Which of the following is the missing section?
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Solution
The correct option is A
The pattern of the numbers can be observed from the firsr row.
4
3
5
4
6
4−1=3
3+2=5
5−1=4
4+2=6
The pattern in a row is formed by subtracting 1 and adding 2 alternately.
Second row:
2−1=1
1+2=3
3−1=2
2+2=4
Third row:
3−1=2
2+2=4
4−1=3
3+2=5
Fourth row:
1−1=0
0+2=2
2−1=1
1+2=3
Fifth row:
2−1=1
1+2=3
3−1=2
2+2=4
Alternative method:
The pattern of the numbers in a column can be observed from fourth or fifth columns.
Fourth column:
4−2=2
2+1=3
3−2=1
1+1=2
So, it is clear that the numbers in a column are obtained by subtracting 2 and adding 1 alternately.
The table is as shown below after filling all the numbers.
4
3
5
4
6
2
1
3
2
4
3
2
4
3
5
1
0
2
1
3
2
1
3
2
4
The pattern of the numbers can be observed from the firsr row.
| 4 | 3 | 5 | 4 | 6 |
3+2=5
5−1=4
4+2=6
The pattern in a row is formed by subtracting 1 and adding 2 alternately.
Second row:
2−1=1
1+2=3
3−1=2
2+2=4
Third row:
3−1=2
2+2=4
4−1=3
3+2=5
Fourth row:
1−1=0
0+2=2
2−1=1
1+2=3
Fifth row:
2−1=1
1+2=3
3−1=2
2+2=4
Alternative method:
The pattern of the numbers in a column can be observed from fourth or fifth columns.
Fourth column:
4−2=2
2+1=3
3−2=1
1+1=2
So, it is clear that the numbers in a column are obtained by subtracting 2 and adding 1 alternately.
The table is as shown below after filling all the numbers.
| 4 | 3 | 5 | 4 | 6 |
| 2 | 1 | 3 | 2 | 4 |
| 3 | 2 | 4 | 3 | 5 |
| 1 | 0 | 2 | 1 | 3 |
| 2 | 1 | 3 | 2 | 4 |
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