## Logical Reasoning : Add Subtract Series (Multiple Choice Questions)

Question 1 |

10, 20, 10, 20, 10, 20, ...

20 | |

40 | |

10 | |

30 |

Question 1 Explanation:

In this simple alternating addition and subtraction series; 10 is added, then 10 is subtracted, and so on.

Question 2 |

101, 10, 103, 10, 105, 10, ...

109 | |

107 | |

111 | |

106 |

Question 2 Explanation:

In this alternating repetition series, the random number 10 is interpolated every other number into an simple addition series that increases by 2, beginning with the number 101.

Question 3 |

91, 10, 81, 10, 71, 10, ...

71 | |

10 | |

81 | |

61 |

Question 3 Explanation:

In this alternating repetition series, the random number 10 is interpolated every other number into an simple subtraction series that decreases by 10, beginning with the number 91.

Question 4 |

119.45, 118.95, 118.45, 117.95, ...

116.95 | |

117.95 | |

116.45 | |

117.45 |

Question 4 Explanation:

This is simple subtraction series in which 0.50 is subtracted from the number and so on

Question 5 |

20, 41, 62, 83, ...

104 | |

101 | |

109 | |

111 |

Question 5 Explanation:

This is simple addition series in which 21 is added to the number and so on

There are 5 questions to complete.