Sachin got 60%marks in maths and 3 marks less than maths in science.if the total marks are 150, how many marks he scored in science?
Answers
Marks scored in Science is 79.50.
Step-by-step explanation:
Given,
Marks in Maths = 60% of x
Marks in Science = 60% of x-3
According to Question,
Total marks in Maths and Science = 150
60% of x + 60% of x -3 = 150
120% of x =150+3
120% of x = 153
x =
= 127.50
Hence,Marks scored in Science = (60% of 127.50) +3
= 76.5 +3
= 79.50
Answer:
Marks scored in Science is 79.50.
Step-by-step explanation:
Given,
Marks in Maths = 60% of x
Marks in Science = 60% of x-3
According to Question,
Total marks in Maths and Science = 150
60% of x + 60% of x -3 = 150
120% of x =150+3
120% of x = 153
x = \frac{153}{120}\times 100
120
153
×100
= 127.50
Hence,Marks scored in Science = (60% of 127.50) +3
= 76.5 +3
= 79.50
Step-by-step explanation:
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