# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 317 - 321 of 1042

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## Question 317

### Question

MCQ▾30 % of 140 = x % of 420, then the value of x is________.

### Choices

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

a. | 10 | |

b. | 30 | |

c. | 2 | |

d. | 5 |

## Question 318

### Question

MCQ▾ABCD is rhombus and P is the point where its two diagonals meet, then if , then is________.

### Choices

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

a. | 120 | |

b. | 50 | |

c. | 40 | |

d. | 30 |

## Question 319

### Question

MCQ▾30 % of 300 = x % of 150, then the value of x is________.

### Choices

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

a. | 50 | |

b. | 30 | |

c. | 60 | |

d. | 10 |

## Question 320

### Question

MCQ▾Given below steps of construct a quadrilateral PQRS where PQ = 5.0 cm, QR = 3.0 cm, ₹ = 4.2 cm, SP = 3.3 cm and which of the following is a wrong step?

(P) Step 1: Draw PQ = 5.0 cm and construct

(Q) Step 2: With P as center and radius SP = 3.3 cm, cut off SP = 3.3 cm along PX.

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

(S) Step 4: With Q as center and radius QR = 3.0 cm, draw an arc to cut the arc drawn in above step at R. Join QR, ₹ to obtain the required quadrilateral PQRS.

### Choices

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

a. | R | |

b. | p | |

c. | S | |

d. | Q |

## Question 321

### Question

MCQ▾In a parallelogram ABCD, if , then the others angles are________.

### Choices

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

a. | 45 , 125 , 135 | |

b. | 45 , 115 , 115 | |

c. | 35 , 145 , 145 | |

d. | 35 , 135 , 135 |