An exam for 360 consists of the papers mathematics, physics, and chemistry. Jack scored 280 in the exam, and the distribution of marks in different subjects is shown below.
Find the marks scored by Jack in mathematics.

165

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145

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100

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154

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Solution

The correct option is D 154
Jack's total score = 280
Percentage of marks in mathematics = 55%

Therefore, his score in mathematics
$= 55% of 280$
$= \frac{55}{100} \times 280$
$= 5.5 \times 28$
$= 154$

Therefore, Jack scored 154 marks in mathematics.

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An exam for 360 consists of the papers mathematics, physics, and chemistry. Jack scored 280 in the exam, and the distribution of marks in different subjects is shown below. Find the marks scored by Jack in mathematics.

The correct option is D 154Jack's total score = 280 Percentage of marks in mathematics = 55% Therefore, his score in mathematics =55% of 280 =55100×280 =5.5×28 =154 Therefore, Jack scored 154 marks in mathematics.

An exam for 360 consists of the papers mathematics, physics, and chemistry. Jack scored 280 in the exam, and the distribution of marks in different subjects is shown below.
Find the marks scored by Jack in mathematics.

The correct option is D 154
Jack's total score = 280
Percentage of marks in mathematics = 55%

Therefore, his score in mathematics
$= 55% of 280$
$= \frac{55}{100} \times 280$
$= 5.5 \times 28$
$= 154$

Therefore, Jack scored 154 marks in mathematics.