# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 273 - 277 of 1042

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## 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 |

## Question 274

### Question

MCQ▾A bag contains 50p, 25p, 10p coins in the ratio 1: 3: 2, amounting to Rs. 87. Find the total number of coins.

### Choices

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

a. | 100 | |

b. | 360 | |

c. | 200 | |

d. | 400 |

## Question 275

### Question

MCQ▾When the price of a product was decreased by 10%, the number sold increased by 40%, what was the increase on the total revenue?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 276

### Question

MCQ▾Four angles of a quadrilateral are in the ratio 2: 4: 6: 8. The greatest angle is________.

### Choices

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

a. | 110 | |

b. | 150 | |

c. | 144 | |

d. | 120 |

## Question 277

### Question

MCQ▾A book was sold for Rs. 25.50 with a profit of 10%. If it were sold for Rs. 25.75, then what would have been the percentage of profit or loss?

### Choices

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

a. | Loss, 10% | |

b. | Loss, 12% | |

c. | Profit, 11.04% | |

d. | profit, 11% |