# Mental Ability [NSO Level 1- Science Olympiad (SOF) Class 4]: Questions 1 - 7 of 146

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## Question 1

## Question 2

### Question

MCQ▾The 2 containers contain the same amount of water. What is the change in the water level when ball is out in 1^{st} container?

### Choices

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

a. | Water level decreases by 1 litre 400 ml | |

b. | Water level decreases by 1litre 100 ml | |

c. | Water level decreases by 1 litre 300 ml | |

d. | Water level decreases by 1 litre 200 ml |

## Question 3

### Question

MCQ▾What is the missing number in the box?

### Choices

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

a. | 2189 | |

b. | 3121 | |

c. | 811 | |

d. | 733 |

## Question 4

### Question

MCQ▾In the number 7290, the digit ________ is in the thousand՚s place.

### Choices

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

a. | 0 | |

b. | 7 | |

c. | 2 | |

d. | 9 |

## Question 5

### Question

MCQ▾Reema started her piano lesson at 2: 15 pm. Her piano less lasted 45 mins. What time did she end her piano lesson?

### Choices

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

a. | 3: 00 pm | |

b. | 2: 45 pm | |

c. | 3: 45 pm | |

d. | 3: 15 pm |

## Question 6

### Question

MCQ▾5 km 213 m m

### Choices

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

a. | 2315 m | |

b. | 1 km 757 m | |

c. | 3276 m | |

d. | 2 km 415 m |

## Question 7

### Question

MCQ▾The perimeter of the figure shown is ________.

### Choices

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

a. | 57 cm | |

b. | 59 cm | |

c. | 60 cm | |

d. | 62 cm |