# Mental Ability [NSO Level 1- Science Olympiad (SOF) Class 9]: Questions 1 - 8 of 101

Access detailed explanations (illustrated with images and videos) to **1128** questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. *Unlimited Access, Unlimited Time, on Unlimited Devices*!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

How to register? Already Subscribed?

## Question 1

## Question 2

### Question

MCQ▾In a certain code, PRODUCED is written as DOPRDECU. How is RELATION written in that code?

### Choices

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

a. | ALERNOTI | |

b. | ALERNOIT | |

c. | ALRENOIT | |

d. | ARELTINO |

## Question 3

Appeared in Year: *2012*

### Question

MCQ▾A retailer increases the selling price by due to which his profit percentage increases from to . The percentage increase in cost price is ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 4

## Question 5

### Question

MCQ▾The age of father 8 years ago was thrice the age of his son. 8 years hence, father՚s age will be twice that of his son. The ratio of their present ages is:

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 6

### Question

MCQ▾Assuming that the numbers in each set follow a similar pattern find the missing number?

### Choices

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

a. | 52 | |

b. | 49 | |

c. | 50 | |

d. | 55 |

## Question 7

### Question

MCQ▾If 14 men working 7 hours day can plough a field in 4 days, in how many days will 12 men working 12 hours clay plough the same field?

### Choices

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

a. | 48 | |

b. | 24 | |

c. | 22 | |

d. | 32 |

## Question 8

### Question

MCQ▾Read the information carefully, and then use it to answer the question that follows:

I. Amit, Rajani, Subh, Akash and Kiran all collect stamps.

II. Amit has twice as many as Rajani.

III. Akash and Kiran have the same number.

IV. Subh has fewer than Akash.

V. Rajani has half as many as Subh.

If the above statements are true, only one the sentences below must be true. Which one is true?

### Choices

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

a. | Akash and Kiran have same number of stamps. | |

b. | Rajani has more stamps than Akash. | |

c. | Amit has as many stamps as Rajani. | |

d. | Amit has fewer stamps than Akash. |