# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 267 - 273 of 1040

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## Question number: 267

### Question

A book was sold for Rs. 30.00 with a profit of 5%. If it were sold for Rs. 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 number: 268

» Quadrilaterals and Practical Geometry

### Question

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 number: 269

» Quadrilaterals and Practical Geometry

### Question

Any quadrilateral has ________ sides.

### Choices

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

a. | Three | |

b. | Four | |

c. | Two | |

d. | Five |

## Question number: 270

» Quadrilaterals and Practical Geometry

### Question

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 number: 271

### Question

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

### Choices

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

a. | 700 Rs. | |

b. | 550 Rs. | |

c. | 625 Rs. | |

d. | 600 Rs. |

## Question number: 272

### Question

Rice is bought at Rs. 30.50 per kg and sold at Rs. 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 number: 273

» Quadrilaterals and Practical Geometry

### Question

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 |