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On a certain match between India and Pakistan, India has a success rate of 60% against Pakistan in all ODIs played between two countries. They lost next 40 ODIs in a row to Pakistan and their success rate comes down to 20%. The total number of ODIs played between the countries are:


1. 60
2. 50
3. 20
4. 30

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Best answer
Correct Answer - Option 1 : 60

Given:

On a certain match between India and Pakistan, India has a success rate of 60% against Pakistan in all ODIs played between two countries. They lost next 40 ODIs in a row to Pakistan and their success rate comes down to 20%. 

Concept used:

Percentage

Calculation:

Let the number of matches be x

Matches won = 60% = \(\frac{3}{5}x\)

Number of matches Lost = 40

Total matches = x + 40

Success rate = Matches won / Total matches

⇒ \(\frac{{\frac{3}{5}x}}{{x + 40}} = \frac{{20}}{{100}}\)

⇒ x = 20

Total matches = 20 + 40 = 60

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