Look at this series: 70, 71, 76, __, 81, 86, 70, 91,… What number should fill the blank?

a. |
70 |

b. |
71 |

c. |
80 |

d. |
96 |

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Look at this series: 70, 71, 76, __, 81, 86, 70, 91,… What number should fill the blank?

a. |
70 |

b. |
71 |

c. |
80 |

d. |
96 |

Test ID: 576

Source: 501 challenging logic & reasoning problems

a. In this series, 5 is added to the previous number; the number 70 is inserted as every third number.