In a batch of 50 students has ratio of Boys to Girls as 4:6. Average marks of Girls are 60 and Average marks of the batch is 62. Average Marks of Boys will be:
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In a batch of 50 students has ratio of Boys to Girls as 4:6. Average marks of Girls are 60 and Average marks of the batch is 62. Average Marks of Boys will be:
Let the number of boys be 4x and number of girls be 6x
Given, 4x+6x = 50
x = 5
Number of boys = 20 and number of girls = 30
Average marks of girls = 60
Total marks scored by girls = 60$$\times\ $$30 = 1800
Average marks score by batch = 62
Total marks scored by batch = 62$$\times\ $$50 = 3100
Marks scored by boys = 3100 - 1800 = 1300
Average marks of boys = $$\frac{1300}{20}$$ = 65
Answer is option D.
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Choose the correct answer from the options given below:
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Choose the correct answer from the options given below:
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This work
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