Numerical Ability [GATE (Graduate Aptitude Test in Engineering) Aptitude]: Questions 26 - 29 of 103

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Question 26

Numerical Ability

Appeared in Year: 2016

Question

MCQ▾

The binary operation is defined as , where and are any two real numbers. The value of the identity element of this operation, defined as the number such that , for any is

Choices

Choice (4)Response

a.

1

b.

0

c.

2

d.

10

Question 27

Numerical Ability

Appeared in Year: 2017

Question

MCQ▾

students are taking one or more courses out of Chemistry, Physics and Mathematics. Registration records indicate course enrolment as follows: Chemistry , Physics , Mathematics , Chemistry and Physics , Chemistry and Mathematics , and Physics and Mathematics . How many students are taking all subjects?

Choices

Choice (4)Response

a.

53

b.

37

c.

43

d.

47

Question 28

Numerical Ability

Appeared in Year: 2021

Question

MCQ▾

Ms. X came out of a building through its front door to find her shadow due to the morning sun falling to her right side with building to her back. From this, it can be inferred that building is facing ________

Choices

Choice (4)Response

a.

East

b.

North

c.

West

d.

South

Question 29

Numerical Ability

Appeared in Year: 2014

Question

MCQ▾

A foundry has a fixed daily cost of whenever it operates and a variable cost of , where is the daily production in tonnes. What is the cost of production in per tonne for a daily production of tonnes?

Choices

Choice (4)Response

a.

1400

b.

1200

c.

1300

d.

1350

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