# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 542 - 546 of 1022

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## Question 542

### Question

MCQ▾The selling price of a necklace is ₹ 25800 and the loss percent is . Find the cost price of the necklace.

### Choices

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

a. | ₹ 30961 | |

b. | ₹ 30491 | |

c. | ₹ 39601 | |

d. | ₹ 32600 |

## Question 543

### Question

MCQ▾Meet՚s father was 31 years old when his sister was born. His mother is 3 years younger than his father. Now Meet is 25 years old and his sister is 4 years older than him. What is the present age of Meet՚s mother?

### Choices

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

a. | 56 years | |

b. | 59 years | |

c. | 57 years | |

d. | 60 years |

## Question 544

### Question

MCQ▾In a company, there are 45 % female employees. 40 % of all the male employees are developer. If there 58 % employees are developer out of the total 1800 employees, then the number of female employees who are developer are ________.

### Choices

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

a. | 652 | |

b. | 648 | |

c. | Can՚t be determined | |

d. | 940 |

## Question 545

### Question

MCQ▾Rohan has certain amount in his account. He gives two-third of this to his mother and one third of the remaining to his daughter. The amount left with him now is ________.

### Choices

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

a. | of the original | |

b. | of the original | |

c. | of the original | |

d. | of the original |

## Question 546

### Question

MCQ▾A school has 4500 students. The ratio of girls to boys 5: 4. How many girls are there in the class?

### Choices

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

a. | 2000 | |

b. | 2100 | |

c. | 2400 | |

d. | 2500 |