# NSO Level 1- Science Olympiad (SOF) Class 3: Questions 80 - 86 of 504

Access detailed explanations (illustrated with images and videos) to **504** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. *Unlimited Access for Unlimited Time*!

View Sample Explanation or View Features.

Rs. 350.00 or

How to register?

## Question number: 80

### Question

Rocky weighs 21 kg. His mother weighs 4 times as much as he does. What is the weight of the mother?

### Choices

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

a. | 68 kg | |

b. | 25 kg | |

c. | 84 kg | |

d. | 89 kg |

## Question number: 81

### Question

A hen weighs 7 kg 700 g. A duck weighs 4 kg 800 g. What is the total weight of the hen and the duck?

### Choices

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

a. | 12 kg 50 g | |

b. | 12 kg 07 g | |

c. | 12 kg 505 g | |

d. | 12 kg 500 g |

## Question number: 82

### Question

Krishna bought 8 boxes of marbles. Each box contained 20 marbles. She gives 30 marbles of her friend. How many marbles were left?

### Choices

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

a. | 100 | |

b. | 130 | |

c. | 160 | |

d. | 120 |

## Question number: 83

### Question

A bag of wheat has a mass of 6 kg. How heavy are 7 such bags of wheat?

### Choices

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

a. | 42 kg | |

b. | 25 kg | |

c. | 40 kg | |

d. | 38 kg |

## Question number: 84

### Question

Mrs. Sharma bought 42 eggs. She used 10 eggs to bake cakes and threw away 2 rotten ones. How many eggs were left?

### Choices

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

a. | 12 eggs | |

b. | 30 eggs | |

c. | 44 eggs | |

d. | 32 eggs |

## Question number: 85

### Question

600 cm ________ m

### Choices

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

a. | 1 | |

b. | 30 | |

c. | 60 | |

d. | 6 |

## Question number: 86

### Question

The difference between the greatest and smallest three digit number formed from digits and 8 is

### Choices

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

a. | 693 | |

b. | 821 | |

c. | 934 | |

d. | 168 |