A batsman has a certain average in his 11 innings. He scores 90 runs i

1.	A batsman has a certain average in his 11 innings. He scores 90 runs in the 12th innings, due to this his average is decreased by 5 runs. Find the current average of the batsman.1. 150 runs2. 155 runs3. 145 runs4. 140 runs
Answer» Correct Answer - Option 3 : 145 runs Given: 12th innings score = 90 runs Formula used: Average runs = Total runs/Number of innings Calculation: Let, the 11 innings average is x. ⇒ Total runs of 11 innings = 11x ⇒ (11x + 90)/12 = (x - 5) ⇒ 11x + 90 = 12x - 60 ⇒ x = 150 runs ⇒ Current average = 150 - 5 runs ⇒ Current average = 145 runs ∴ The current average runs is 145 runs.

A batsman has a certain average in his 11 innings. He scores 90 runs in the 12th innings, due to this his average is decreased by 5 runs. Find the current average of the batsman.1. 150 runs2. 155 runs3. 145 runs4. 140 runs

Answer» Correct Answer - Option 3 : 145 runs

Given:

12th innings score = 90 runs

Formula used:

Average runs = Total runs/Number of innings

Calculation:

Let, the 11 innings average is x.

⇒ Total runs of 11 innings = 11x

⇒ (11x + 90)/12 = (x - 5)

⇒ 11x + 90 = 12x - 60

⇒ x = 150 runs

⇒ Current average = 150 - 5 runs

⇒ Current average = 145 runs

∴ The current average runs is 145 runs.

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A batsman has a certain average in his 11 innings. He scores 90 runs in the 12th innings, due to this his average is decreased by 5 runs. Find the current average of the batsman.1. 150 runs2. 155 runs3. 145 runs4. 140 runs

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