hard Set 1 Form Exercise

Start at 11. Follow the path: +10, +18, ×3, ÷9. What is the final answer?

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Answer: 13

StartValue
11
Steps
  • {"op":"+","value":10,"result":21}
  • {"op":"+","value":18,"result":39}
  • {"op":"\u00d7","value":3,"result":117}
  • {"op":"\u00f7","value":9,"result":13}
Forks
  • {"correct":21,"wrong":20,"options":[21,20],"correctIndex":0,"op":"+","value":10}
  • {"correct":39,"wrong":41,"options":[41,39],"correctIndex":1,"op":"+","value":18}
  • {"correct":117,"wrong":114,"options":[114,117],"correctIndex":1,"op":"\u00d7","value":3}
  • {"correct":13,"wrong":10,"options":[13,10],"correctIndex":0,"op":"\u00f7","value":9}

Start at 16. Follow the path: ×2, ÷8, +7, +2. What is the final answer?

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Answer: 13

StartValue
16
Steps
  • {"op":"\u00d7","value":2,"result":32}
  • {"op":"\u00f7","value":8,"result":4}
  • {"op":"+","value":7,"result":11}
  • {"op":"+","value":2,"result":13}
Forks
  • {"correct":32,"wrong":36,"options":[32,36],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":4,"wrong":1,"options":[4,1],"correctIndex":0,"op":"\u00f7","value":8}
  • {"correct":11,"wrong":7,"options":[11,7],"correctIndex":0,"op":"+","value":7}
  • {"correct":13,"wrong":17,"options":[13,17],"correctIndex":0,"op":"+","value":2}

Start at 14. Follow the path: +20, ÷2, +4, ×2. What is the final answer?

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Answer: 42

StartValue
14
Steps
  • {"op":"+","value":20,"result":34}
  • {"op":"\u00f7","value":2,"result":17}
  • {"op":"+","value":4,"result":21}
  • {"op":"\u00d7","value":2,"result":42}
Forks
  • {"correct":34,"wrong":30,"options":[34,30],"correctIndex":0,"op":"+","value":20}
  • {"correct":17,"wrong":18,"options":[17,18],"correctIndex":0,"op":"\u00f7","value":2}
  • {"correct":21,"wrong":18,"options":[18,21],"correctIndex":1,"op":"+","value":4}
  • {"correct":42,"wrong":41,"options":[42,41],"correctIndex":0,"op":"\u00d7","value":2}

Start at 27. Follow the path: +11, ÷2, +18, ×2. What is the final answer?

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Answer: 74

StartValue
27
Steps
  • {"op":"+","value":11,"result":38}
  • {"op":"\u00f7","value":2,"result":19}
  • {"op":"+","value":18,"result":37}
  • {"op":"\u00d7","value":2,"result":74}
Forks
  • {"correct":38,"wrong":35,"options":[35,38],"correctIndex":1,"op":"+","value":11}
  • {"correct":19,"wrong":23,"options":[23,19],"correctIndex":1,"op":"\u00f7","value":2}
  • {"correct":37,"wrong":33,"options":[33,37],"correctIndex":1,"op":"+","value":18}
  • {"correct":74,"wrong":78,"options":[78,74],"correctIndex":1,"op":"\u00d7","value":2}

Start at 18. Follow the path: ×2, +5, -8, ×3. What is the final answer?

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Answer: 99

StartValue
18
Steps
  • {"op":"\u00d7","value":2,"result":36}
  • {"op":"+","value":5,"result":41}
  • {"op":"-","value":8,"result":33}
  • {"op":"\u00d7","value":3,"result":99}
Forks
  • {"correct":36,"wrong":39,"options":[36,39],"correctIndex":0,"op":"\u00d7","value":2}
  • {"correct":41,"wrong":44,"options":[41,44],"correctIndex":0,"op":"+","value":5}
  • {"correct":33,"wrong":38,"options":[38,33],"correctIndex":1,"op":"-","value":8}
  • {"correct":99,"wrong":97,"options":[99,97],"correctIndex":0,"op":"\u00d7","value":3}

Start at 41. Follow the path: +6, -10, +7, ÷4. What is the final answer?

Show answer

Answer: 11

StartValue
41
Steps
  • {"op":"+","value":6,"result":47}
  • {"op":"-","value":10,"result":37}
  • {"op":"+","value":7,"result":44}
  • {"op":"\u00f7","value":4,"result":11}
Forks
  • {"correct":47,"wrong":50,"options":[50,47],"correctIndex":1,"op":"+","value":6}
  • {"correct":37,"wrong":32,"options":[32,37],"correctIndex":1,"op":"-","value":10}
  • {"correct":44,"wrong":48,"options":[44,48],"correctIndex":0,"op":"+","value":7}
  • {"correct":11,"wrong":14,"options":[14,11],"correctIndex":1,"op":"\u00f7","value":4}

Start at 9. Follow the path: -7, ×2, -1, +19. What is the final answer?

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Answer: 22

StartValue
9
Steps
  • {"op":"-","value":7,"result":2}
  • {"op":"\u00d7","value":2,"result":4}
  • {"op":"-","value":1,"result":3}
  • {"op":"+","value":19,"result":22}
Forks
  • {"correct":2,"wrong":1,"options":[1,2],"correctIndex":1,"op":"-","value":7}
  • {"correct":4,"wrong":6,"options":[6,4],"correctIndex":1,"op":"\u00d7","value":2}
  • {"correct":3,"wrong":8,"options":[8,3],"correctIndex":1,"op":"-","value":1}
  • {"correct":22,"wrong":17,"options":[22,17],"correctIndex":0,"op":"+","value":19}

Start at 25. Follow the path: ÷5, ÷5, +15, +20. What is the final answer?

Show answer

Answer: 36

StartValue
25
Steps
  • {"op":"\u00f7","value":5,"result":5}
  • {"op":"\u00f7","value":5,"result":1}
  • {"op":"+","value":15,"result":16}
  • {"op":"+","value":20,"result":36}
Forks
  • {"correct":5,"wrong":1,"options":[1,5],"correctIndex":1,"op":"\u00f7","value":5}
  • {"correct":1,"wrong":1,"options":[1,1],"correctIndex":1,"op":"\u00f7","value":5}
  • {"correct":16,"wrong":15,"options":[16,15],"correctIndex":0,"op":"+","value":15}
  • {"correct":36,"wrong":34,"options":[36,34],"correctIndex":0,"op":"+","value":20}