Question

.If 20 articles cost Rs 90,the cost of 9 articles is:

45
450
40.50
None of these​

Answer 1

Answer:

40.5

Step-by-step explanation:

SOLVING BY UNITARY METHOD

20 ARTICLES COST RS 90

THEREFORE 9 ARTICLES COSTS RS (90×9)/20 = 40.5

Answer 2

Answer:

The answer of the question is:-

The cost for 9 articles is 40.50 rupees.

Step-by-step explanation:

From the given data of this question, we have got that,

The value if 20 articles is 90 rupees.

To know the value of 9 articles,we have to do --

The value of 20 articles is 90 rupees.

The value of 1 article is 9/2=4.5 rupees.

The value of 9 articles is= 4.5*9= 40.50 rupees.

That is the required solution for this question.

So cost of 9 articles is 40.50 rupees.

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