# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 523 - 529 of 931

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## Question 523

### Question

MCQ▾If , and then value of t when , is________.

### Choices

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

a. | 1 | |

b. | -2 | |

c. | 2 | |

d. | -1 |

## Question 524

### Question

MCQ▾In a certain code DISNEYWORLD code is written as EISNDYDORLW. How will CHIDAMBARAM be written in the code

### Choices

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

a. | KDMCFHRYTGS | |

b. | ERDFCVSDWEA | |

c. | CHIMADRAMBA | |

d. | AHIDCMMARAB |

## Question 525

### Question

MCQ▾The parking charges of a car on Pune railway station for first 3 hours in ₹ 70 and 20 ₹ for subsequent hours , write down an equation for this information is________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 526

### Question

MCQ▾If , then the value of x is________.

### Choices

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

a. | 3 | |

b. | 7 | |

c. | 1 | |

d. | 5 |

## Question 527

### Question

MCQ▾Due to an increase of in the price of eggs, 3 eggs less are available for ₹ 7.80. the present rate of eggs per dozen is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 528

### Question

MCQ▾In the given matrix the values of A, B and C respectively are ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 529

### Question

MCQ▾Which of the following shows the proper relation?

1. Tall men, 2. Black haired people, 3 Indians

### Choices

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

a. | ||

b. | ||

c. | ||

d. |