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

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## Question 18

Numerical Ability

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

Numerical Ability

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

1. Each step is foot high.

2. 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

Numerical Ability

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

Numerical Ability

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

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