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## Number puzzle

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |

6 | |

47 | |

2 | |

21 |

Question 1 Explanation:

Looking at the diagram in rows, the central circle equals half the sum of the numbers in the other circles to the left and right of the centre.

Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |

45 | |

20 | |

16 | |

41 |

Question 2 Explanation:

Moving clockwise, around alternate segments in the chain, one sequence decreases by 1, 2, 3 and 4 each time, while the other increases by 2, 3, 4 and 5.

Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |

53 | |

97 | |

4 | |

50 |

Question 3 Explanation:

In each row of the diagram, the sum of the left and right hand digits, minus the central digit is always 8.

Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |

8 | |

29 | |

28 | |

11 |

Question 4 Explanation:

Divide the circle, horizontally and vertically, to give 4 quarters. The sum of the numbers in the segments of each quarter equals 11.

Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |

5 | |

44 | |

36 | |

6 |

Question 5 Explanation:

Working through the diagram in rows, and reading each row as a whole number, the diagram represents a subtraction sum : 203 - 7 = 196

There are 5 questions to complete.