# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 248 - 254 of 1059

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## Question 248

### Question

MCQ▾The reciprocal of prime number that is placed at third before prime number 23 is

### Choices

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

a. | 0 | |

b. | 1 | |

c. | 2 | |

d. |

## Question 249

### Question

MCQ▾Find the sum of the given expression.

### Choices

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

a. | 40 | |

b. | - 292 | |

c. | - 21 | |

d. | 315 |

## Question 250

### Question

MCQ▾Two tankers contain 760 liters and 570 liters of chemicals respectively, then the maximum capacity of a container which can measure the chemical out of both the tankers when used an exact number of times is ________.

### Choices

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

a. | 180 liters | |

b. | 190 liters | |

c. | 175 liters | |

d. | 220 liters |

## Question 251

### Question

MCQ▾The least number which when decreased by 9 is exactly divisible by 12,16, 24 and 48 is

### Choices

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

a. | 16 | |

b. | 48 | |

c. | 39 | |

d. | 57 |

## Question 252

### Question

MCQ▾Find the smallest number which will divide the smallest 3-digit number and the smallest 4-digit number exactly.

### Choices

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

a. | 2 | |

b. | 4 | |

c. | 5 | |

d. | 10 |

## Question 253

### Question

MCQ▾Which of the following is a perfect cube?

### Choices

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

a. | 125 | |

b. | 64 | |

c. | 8 | |

d. | All a., b. and c. are correct |

## Question 254

### Question

MCQ▾The numbers which are not multiplies of 2 are called________.

### Choices

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

a. | Prime | |

b. | Even | |

c. | Odd | |

d. | Composite |