Question

The marks of 3 students in Maths test are in the ratio 3:4:5. If the second student obtained 60 marks , the marks of other 2 students are​

Answer 1

Step-by-step explanation:

let the common ratio be x

so 3x,4x ,5x

so second student got 60 marks

4x=60

x=60/4

x=15

So 1st student =3x=3×15

=45 marks

so 3rd student =5x=5×15

=75 marks

I hope it helps

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Answer 2

Step-by-step explanation:

let 3:4:5 be 3x, 4x, 5x

marks of second student = 60

60= 4 x

x =60/4

x=15

marks of first student =3x =3X15=45

marks of third student = 5x =5X15 = 75