# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 267 - 273 of 1042

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## Question 267

### Question

MCQ▾A book was sold for ₹ 30.00 with a profit of 5 % . If it were sold for ₹ 30.50, then what would have been the percentage of profit or loss?

### Choices

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

a. | 10 % | |

b. | 6.75 % | |

c. | 11.04 % | |

d. | 6.00 % |

## Question 268

### Question

MCQ▾To construct a quadrilateral uniquely, it is necessary to have the knowledge of at least________independent elements.

### Choices

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

a. | Five | |

b. | Four | |

c. | Three | |

d. | Two |

## Question 269

### Question

MCQ▾Any quadrilateral has ________ sides.

### Choices

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

a. | Three | |

b. | Four | |

c. | Two | |

d. | Five |

## Question 270

### Question

MCQ▾The number of sides of a regular polygon whose each exterior angle has a measure of is________.

### Choices

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

a. | 6 | |

b. | 8 | |

c. | 3 | |

d. | 10 |

## Question 271

### Question

MCQ▾What sum lent out at C. I. will amount to ₹ 900 in 2 years at 20 % p. a. interest?

### Choices

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

a. | 700 ₹ | |

b. | 550 ₹ | |

c. | 625 ₹ | |

d. | 600 ₹ |

## Question 272

### Question

MCQ▾Rice is bought at ₹ 30.50 per kg and sold at ₹ 32.00 per kg. The gain percent is________.

### Choices

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

a. | 3.12 % | |

b. | 4.70 % | |

c. | 3.00 % | |

d. | 4.91 % |

## Question 273

### Question

MCQ▾Given below steps of construct a quadrilateral ABCD where AB = 5.2 cm, BC = 4.0 cm, CD = 4.2 cm, AD = 3.3 cm and which of the following is a wrong step?

(P) Step 1: Draw AB = 5.2cm and construct

(Q) Step 2: With A as center and radius AD = 3.3 cm, cut off AD = 3.3 cm along AX.

(R) Step 3: Join BD. With D as center and radius DC = 4.2 cm, draw an arc.

(S) Step 4: With B as center and radius BC = 4.0 cm, draw an arc to cut the arc drawn in above step at C. Join BC, CD to obtain the required quadrilateral ABCD.

### Choices

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

a. | S | |

b. | P | |

c. | R | |

d. | Q |