# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 623 - 628 of 1022

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## Question 623

### Question

MCQ▾In the figure (not drawn to scale) , ABC is an equilateral triangle and BDC is an isosceles triangle with DB = DC, find y.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 624

### Question

MCQ▾If the two legs of a right angled triangle are equal and the square of the hypotenuse is 64 , then the length of each leg is ________.

### Choices

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

a. | cm | |

b. | cm | |

c. | cm | |

d. | 8 cm |

## Question 625

### Question

MCQ▾Niharika earns ₹ 1200 per week working at a part – time job. After taxes, her pay cheque is only 78 % of what she earned. What is the amount payable to Niharika?

### Choices

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

a. | ₹ 962.00 | |

b. | ₹ 936.00 | |

c. | ₹ 900.00 | |

d. | ₹ 897.00 |

## Question 626

### Question

MCQ▾If two sides of an isosceles triangle are 4 cm and 10 cm, then the length of the third side is ________.

### Choices

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

a. | 3 cm | |

b. | 4 cm | |

c. | 9 cm | |

d. | 10 cm |

## Question 627

### Question

MCQ▾In the figure (not drawn to scale) , ABC and DEF are triangle, CA is parallel to FD and CFBE is a straight line. Find the value of .

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 628

### Question

MCQ▾A man buys a radio for ₹ 600 and sells it at a gain of 25 % . He sold the radio for ________.

### Choices

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

a. | ₹ 900 | |

b. | ₹ 1000 | |

c. | ₹ 700 | |

d. | ₹ 750 |