Question 27 - Week 2 Practice | Prasnya

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Qualifier / Quiz 1

Go to subjectMathematics 2 Go to chapterWeek 2

Question 27

00:00Est. 2 min

Marks:+4.000.00

Passage

Shubham bought

2

kg of potatoes,

c

kg of dal, and

1

kg of wheat for Rs.

80

. Sushmita bought

4

kg of potatoes,

1

kg of dal, and

2

kg of wheat for Rs.

d

. Subhasis bought

2

kg of potatoes,

1

kg of dal, and

2

kg of wheat for Rs.

80

. Let

x_1\ne0

,

x_2\ne0

, and

x_3\ne0

represent the prices of

1

kg potato, dal, and wheat respectively. Answer the given subquestions.

Question

If we try to find

x_1

,

x_2

, and

x_3

using the appropriate matrix representation by taking

c=2

and

d\ne160

, then which option is always true?

Comprehension

Medium Difficulty

05 June 2022

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