Mathematics · Number Series Operations
Study the following number arrangement where all numbers are 2-digit numbers: 13 56 46 23 16 34 25 19 78 85 86 24 29 73 94 52 64 63 What will be the difference between the sum of the first half (first 9 numbers) and the second half (last 9 numbers) of the above series?
- 1315
- 2290
- 3260✓
- 4310
Correct answer
260
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