# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 737 - 744 of 931

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## Question 737

### Question

MCQ▾Average of 15 numbers is 45. What should be added as 20^{th} number to make the average 60?

### Choices

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

a. | 758 | |

b. | 410 | |

c. | 672 | |

d. | 525 |

## Question 738

### Question

MCQ▾Which one letter group differs from the other three?

### Choices

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

a. | Wrong | |

b. | Green | |

c. | White | |

d. | Right |

## Question 739

### Question

MCQ▾Today is Monday. After 61 days, it will be ________

### Choices

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

a. | Sunday | |

b. | Tuesday | |

c. | Thursday | |

d. | Saturday |

## Question 740

## Question 741

### Question

MCQ▾The diagram given below represents those students who play volleyball, hockey and badminton

### Choices

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

a. | A + B+C | |

b. | D | |

c. | D + E+G | |

d. | G + E |

## Question 742

## Question 743

### Question

MCQ▾In a km. race A beats B by 35 metres or 7 seconds. Then A’s time over the course is ________.

### Choices

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

a. | 3 minutes 19.3 seconds | |

b. | 3 minutes 20 seconds | |

c. | 3 minutes 7 seconds | |

d. | 3 minutes 13 seconds |

## Question 744

### Question

MCQ▾Study the following information and answer the question given below it.

A blacksmith has five iron articles P, Q, R, S and T, each having a different weight

- P weights twice as much as Q
- Q weighs four and a half times as much as R
- R weighs half as much as S
- S weighs half as much as T
- T weighs less than A but more than R

Which of the following is the lightest?

### Choices

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

a. | P | |

b. | S | |

c. | Q | |

d. | R |