Question

4 The cost of three air tickets from Delhi to Agra is 15.900. What will 11 such air tickets cost?​

Answer 1

SOLUTION:

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ANSWER:

• The cost of 11 such tickets is Rs. 58.3

GIVEN:

• The cost of three air tickets from Delhi to Agra is 15.900.

TO FIND:

• What will 11 such air tickets cost?

SOLUTION:

Let the cost of 11 tickets be x

FORMULA TO FIND:

• Product of means = Product of extremes

SOLVING BY APPLYING THE FORMULA:

=> 3 : 15.900 : : 11 : x

• Multiply the means and extremes.

=> 3 × x = 15.900 × 11

• Multiply this.

=> 3x = 174.9

• Transpose 3 towards the right.

=> x = 174.9/3

• Divide this.

=> x = 58.3

Hence , The cost of 11 such tickets will be Rs. 58.3

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Answer 2

Question:-

1. The cost of 3 air tickets from Delhi to Agra is 15.900 . What will 11 such air tickets cost?

To find,

• The cost of 11 tickets

And always for this type of question you need to find the amount of 1

Let,

• The cost of 11 tickets be y

Given as,

• Three tickets cost from Delhi to Agra is = 15.900
• 11 tickets cost = ?

Required answer:-

• 58.3 is the required answer

Formula to be used,

• Product of means = product of extremes

Solution:-

⇢ 3 : 15.900 : : 11 : y

⇢ 3 × y = 15.900 × 11

 ⇢ 3y = 174.9

⇢ y = 174.9/3

⇢ y = 58.3  

Therefore, the cost of 11 such tickets will be Rs. 58.3