# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 6): Questions 16 - 21 of 268

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## Question number: 16

» Mental Ability » Basic Arithmetic

### Question

Teachers were taking lectures. Each teacher’s lecture was 28 to 30 minutes long. Which of the following is the best estimate for the number of lectures that could be given in 3-hours?

### Choices

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

a. | 6 lectures | |

b. | 3 lectures | |

c. | 10 lectures | |

d. | 9 lectures |

## Question number: 17

» Mental Ability » Basic Arithmetic

### Question

Shreya borrowed Rs. 9500 from a bank on 5^{th} January, 2012 and settled the account on 15 ^{th} December 2012. What amount did he pay if the rate of interest is 15 % per annum?

### Choices

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

a. | Rs. 10843 | |

b. | Rs. 10845 | |

c. | Rs. 10842 | |

d. | Rs. 10847 |

## Question number: 18

» Mental Ability » Basic Arithmetic

### Question

In England during the Middle Ages, the unit of measurement for cloth was an ell. A piece of cloth 67.5 inches long would be equal to about ells. One ell is about how many inches?

### Choices

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

a. | 101 | |

b. | 33.5 | |

c. | 45 | |

d. | 69 |

## Question number: 19

» Mental Ability » Basic Arithmetic

### Question

There are 150 elephants are in a Jungle. 50 elephants went to another Jungle due to lake of water and food. The percentage of elephants left in the Jungle is ________.

### Choices

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

a. | 35% | |

b. | 60% | |

c. | 25% | |

d. | 75% |

## Question number: 20

» Mental Ability » Basic Arithmetic

### Question

Which will be the digit in ONE’S place in this multiplication?

### Choices

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

a. | 5 | |

b. | 3 | |

c. | 9 | |

d. | 7 |

## Question number: 21

» Mental Ability » Basic Arithmetic

### Question

If , what is the value of ________?

### Choices

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

a. | 6 | |

b. | 14 | |

c. | 4 | |

d. | 8 |