# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad (SOF) Class 5): Questions 1 - 8 of 147

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## Question number: 1

» Mental Ability » Basic Arithmetic

### Question

4 km 79 m equals ________.

### Choices

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

a. | 407.9km | |

b. | 40.79km | |

c. | 4.079 km | |

d. | 0.4079km |

## Question number: 2

» Mental Ability » Basic Arithmetic

### Question

Raju worked over the weekend

Day | Hours |

Saturday | 10.5 |

Sunday | 6 |

How many more hours did Raju work on Saturday than on Sunday?

### Choices

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

a. | 4 hours | |

b. | 4.5 hours | |

c. | 2.5 hours | |

d. | 3.5 hours |

## Question number: 3

» Mental Ability » Basic Arithmetic

### Question

25 % of 98 are approximately ________.

### Choices

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

a. | 70 | |

b. | 15 | |

c. | 50 | |

d. | 25 |

## Question number: 4

» Mental Ability » Basic Arithmetic

### Question

The cost of 8 pencils is Rs. 24. Find the cost of 5 pencils.

### Choices

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

a. | Rs. 12 | |

b. | Rs. 20 | |

c. | Rs. 10 | |

d. | Rs. 15 |

## Question number: 5

» Mental Ability » Basic Arithmetic

### Question

3 Mins + 30secs = ________

### Choices

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

a. | 4 mins 85 secs | |

b. | 3 mins 65 secs | |

c. | 2 mins 90 secs | |

d. | 3 mins 50 secs |

## Question number: 6

» Mental Ability » Basic Arithmetic

### Question

The cost of 12 balls is 360 Rs. What the cost of 10 balls?

### Choices

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

a. | 350 rs | |

b. | 300 rs | |

c. | 150 rs | |

d. | 120 rs |

## Question number: 7

» Mental Ability » Basic Arithmetic

### Question

The smallest four digit number that can be formed using 3,6, 2, and 0 is ________.

### Choices

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

a. | 2306 | |

b. | 3620 | |

c. | 0236 | |

d. | 2036 |

## Question number: 8

» Mental Ability » Basic Arithmetic

### Question

Rahul worked over the weekend

Day | Hours |

Saturday | 10.5 |

Sunday | 9 |

How many more hours did Rahul work on Saturday than on Sunday?

### Choices

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

a. | 3.5 hours | |

b. | 4.5 hours | |

c. | 1.5 hours | |

d. | 2.5 hours |