# NCO- Cyber Olympiad (SOF) Class 9: Questions 247 - 251 of 522

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## Question number: 247

» Mental Ability » Basic Arithmetic

### Question

How many liters of 30 % alcohol solution should be added to 50 liters of a 60 % alcohol solution to make a 40 % solution?

### Choices

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

a. | 60 liters | |

b. | 100 liters | |

c. | 40 liters | |

d. | 80 liters |

## Question number: 248

» Non Verbal Reasoning » Cubes and Dices

### Question

When the following figure is folded to form a cube, which color would lie opposite the face bearing pink color?

### Choices

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

a. | Blue | |

b. | Grey | |

c. | Red | |

d. | Black |

## Question number: 249

» Mental Ability » Basic Geometry

### Question

Select the figure from the four options, which when placed in the blank space of the problem figure would complete the pattern

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question number: 250

» Mental Ability » Basic Algebra

### Question

If , find the value of .

### Choices

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

a. | 450 | |

b. | 444 | |

c. | 488 | |

d. | 446 |

## Question number: 251

» Non Verbal Reasoning » Odd Man Out

### Question

Out of the four figures (A), (B), (C), and (D), given in each problem, three are similar in a certain way. However, one figure is not like the other three. Choose the figure which is different from the rest

### Choices

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

a. | ||

b. | ||

c. | ||

d. |