# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 11 - 17 of 1022

Access detailed explanations (illustrated with images and videos) to **1022** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. *Unlimited Access for Unlimited Time*! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

## Question number: 11

### Question

An insect crawls up 5 cm every second on a 60 cm vertical rod and then falls down 2 cm over the next second. How many seconds will it take to climb the rod?

### Choices

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

a. | 39 seconds | |

b. | 30 seconds | |

c. | 60 seconds | |

d. | 20 seconds |

## Question number: 12

### Question

The average of the two middle rational numbers if are arranged in ascending order is________.

### Choices

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

a. | ||

b. |
| |

c. |
| |

d. |

## Question number: 13

### Question

The value of is ________.

### Choices

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

a. | 144 | |

b. |
| |

c. | 240 | |

d. | 0 |

## Question number: 14

### Question

8 is a ________ number

### Choices

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

a. | Irrational | |

b. | Prime | |

c. | Rational | |

d. | Question does not provide sufficient data or is vague |

## Question number: 15

### Question

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

6 | -1 | 4 |

A | 3 | 5 |

2 | 7 | B |

### Choices

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

a. | 1,1 | |

b. |
| |

c. | ||

d. | 0,0 |

## Question number: 16

### Question

If p: When a positive integer and a negative integer are added we always get a positive integer.

q: When two positive integers are added, we get a positive integer, then

### Choices

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

a. | P is false and q is true | |

b. | P is true and q is false | |

c. | P and q are true | |

d. | P and q are false |

## Question number: 17

### Question

Which of the following number is not prime?

### Choices

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

a. | 3 | |

b. | 4 | |

c. | 2 | |

d. | 5 |