# Numerical Ability [GATE (Graduate Aptitude Test in Engineering) Aptitude]: Questions 18 - 21 of 103

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## Question 18

Appeared in Year: *2013*

### Question

MCQ▾and are two positive real numbers such that and . For which of the following values of the function will give maximum value?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 19

Appeared in Year: *2015*

### Question

Data Sufficiency▾Based on the given statements, select the most appropriate option to solve the given question.

If two floors in a certain building are 9 feet apart, how many steps are there in a set of stairs that extends from the first floor to the second floor of the building?

### Statements

Each step is foot high.

Each step is 1 foot wide.

### Choices

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

a. | All of the statements are sufficient. | |

b. | Either one of the statements is sufficient. | |

c. | None of the statements are sufficient. | |

d. | Only statement Ⅰ is sufficient, while others are not sufficient. |

## Question 20

Appeared in Year: *2017*

### Question

MCQ▾men and women can build a bridge in weeks, men and women will take weeks to build the same bridge. How many men will be needed to build the bridge in one week?

### Choices

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

a. | 3300 | |

b. | 3600 | |

c. | 3900 | |

d. | 3000 |

## Question 21

Appeared in Year: *2016*

### Question

MCQ▾The number that least fits this set: (324,441, 97 and 64) is ________.

### Choices

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

a. | 64 | |

b. | 441 | |

c. | 324 | |

d. | 97 |