# Number System [IMO Level 1- Mathematics Olympiad (SOF) Class 7]: Questions 1 - 10 of 82

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## Question 1

### Question

MCQ▾The average of the two middle rational numbers if are arranged in descending order is________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. |

## Question 2

## Question 3

## Question 4

### Question

MCQ▾Which pair of numbers does not have a product equal to 36?

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. |

## Question 5

### Question

MCQ▾Which of the following number is prime?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 179 | |

b. | 187 | |

c. | 119 | |

d. | 247 |

## Question 6

## Question 7

### Question

MCQ▾The value of, where is absolute value of an integer is________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 1 | |

b. | 0 | |

c. | 2 | |

d. | 3 |

## Question 8

### Question

MCQ▾The value of, where is absolute value of an integer is________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 1 | |

b. | 0 | |

c. | 3 | |

d. | 2 |

## Question 9

### Question

MCQ▾Which of the following is an irrational number?

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | 1.50 | |

d. | 2 |

## Question 10

### Question

MCQ▾In a magic square each row, column and diagonal have the same sum, then the values of A and B are respectively________.

3 | -4 | 1 |

-2 | A | 2 |

-1 | B | -3 |

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | 4,0 | |

c. | 1,1 | |

d. |