Numerical Ability [GATE (Graduate Aptitude Test in Engineering) Aptitude]: Questions 46 - 48 of 103

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Question 46

Numerical Ability

Appeared in Year: 2012

Question

MCQ▾

The cost function for a product in a firm is given by , where is the amount of production. The firm can sell the product at a market price of per unit. The number of unit to be produced by the firm such that the profit is maximized is:

Choices

Choice (4)Response

a.

15

b.

10

c.

25

d.

5

Question 47

Numerical Ability

Appeared in Year: 2013

Question

MCQ▾

Following table provides figures (in rupees) on annual expenditure of a firm for two years – 2010 and 2011,

Table Provides Figures on Annual Expenditure of a Firm for Two Years 2010 and 2011
Category
Raw material
Power & fuel
Salary & wages
Plant & machinery
Advertising
Research & Development

In , which of the following two categories have registered increase by same percentage?

Choices

Choice (4)Response

a.

Raw material and Research & Development

b.

Salary & wages and Advertising

c.

Power & fuel and Advertising

d.

Raw material and Salary & wages

Question 48

Numerical Ability

Appeared in Year: 2016

Question

MCQ▾

It takes 10 s and 15 s, respectively, for two trains travelling at different constant speeds to completely pass a telegraph post. The length of the first train is 120 m and that of the second train is 150 m. The magnitude of the difference in the speeds of the two trains (in m/s) is ________.

Choices

Choice (4)Response

a.

12.0

b.

10.0

c.

2.0

d.

22.0

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