Brain Teasers
Making 24
Try using any operation you want to make the each set of four numbers equal 24. You have to use all four numbers. You can rearrange the numbers if you need to.
1. 2, 4, 3, 9
2. 5, 1, 3, 2
3. 4, 5, 6, 2
4. 2, 5, 2, 1
5. 8, 4, 8, 7
6. -3, 6, -2, -4
1. 2, 4, 3, 9
2. 5, 1, 3, 2
3. 4, 5, 6, 2
4. 2, 5, 2, 1
5. 8, 4, 8, 7
6. -3, 6, -2, -4
Answer
1. (2x4x9)/32. 5(2+3)-1
3. (5x6)-2-4
4. (5+1)x(2x2)
5. (8x7)-(8x4)
6. (-3+6)x(-2x-4)
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