# Mental Ability-Number Games (NCO- Cyber Olympiad Class 7): Questions 7 - 14 of 25

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## Question number: 7

» Mental Ability » Number Games

### Question

What is the sum of two consecutive even numbers, the difference of whose squares is 84?

### Choices

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

a. | 62 | |

b. | 34 | |

c. | 38 | |

d. | 46 |

## Question number: 8

» Mental Ability » Number Games

### Question

Two cubes have volumes in the ratio 1: 64. Then the ratio of their sides is

### Choices

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

a. | 1: 3 | |

b. | 1: 18 | |

c. | 1: 8 | |

d. | 1: 4 |

## Question number: 9

» Mental Ability » Number Games » Number Analogies

### Question

On dividing a number by 4, we get 3 as remainder. What will be the remainder, when the square of this number is divided by 4?

### Choices

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

a. | 0 | |

b. | 1 | |

c. | 2 | |

d. | 5 |

## Question number: 10

» Mental Ability » Number Games » Number Series

### Question

Two days after the day before yesterday is Wednesday, What day is today?

### Choices

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

a. | Monday | |

b. | Tuesday | |

c. | Sunday | |

d. | Friday |

## Question number: 11

» Mental Ability » Number Games » Number Series

### Question

Complete the series: 2, 5, 10, 17, 26, ________

### Choices

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

a. | 28 | |

b. | 37 | |

c. | 39 | |

d. | 50 |

## Question number: 12

» Mental Ability » Number Games » Number Series

### Question

The day before yesterday was three days after Saturday. What day is today?

### Choices

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

a. | Sunday | |

b. | Thursday | |

c. | Friday | |

d. | Monday |

## Question number: 13

» Mental Ability » Number Games » Number Series

### Question

The first seventh terms of a pattern are shown below. The rule of the pattern is to multiply by 2, then addition 2 and then subtract 1.

5, 10, 12, 11, 22, 24, 23…

What should be the tenth term of this pattern?

### Choices

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

a. | 46 | |

b. | 45 | |

c. | 47 | |

d. | 44 |

## Question number: 14

» Mental Ability » Number Games » Number Series

### Question

Which sequence follows the rule , where n represents the position of a term in the sequence?

### Choices

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

a. | 5, 17, 29, 41, 53, … | |

b. | 7, 19, 31, 43, 55, … | |

c. | 8, 20, 32, 44, 56, … | |

d. | 6, 18, 30, 42, 54, … |