Naina scored 124 in her 16^th ODI match and her average increased by 3 runs. What was her average for the first 15 matches?

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Solution

The correct option is C 76
Let X be the average score for the first 15 matches.

Sum of the scores till 15^th match = 15 × X

Average after 16^th match = X + 3 = $\frac{15 x + 124}{16}$

⇒ 16X + 48 = 15X + 124

⇒ X = 76

Hence, option C is the correct answer.

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Naina scored 124 in her 16th ODI match and her average increased by 3 runs. What was her average for the first 15 matches?

The correct option is C 76Let X be the average score for the first 15 matches. Sum of the scores till 15th match = 15 × X Average after 16th match = X + 3 = 15x+12416 ⇒ 16X + 48 = 15X + 124 ⇒ X = 76 Hence, option C is the correct answer.

Naina scored 124 in her 16^th ODI match and her average increased by 3 runs. What was her average for the first 15 matches?

The correct option is C 76
Let X be the average score for the first 15 matches.

Sum of the scores till 15^th match = 15 × X

Average after 16^th match = X + 3 = $\frac{15 x + 124}{16}$

⇒ 16X + 48 = 15X + 124

⇒ X = 76

Hence, option C is the correct answer.