Home
Class 9
MATHS
The ratio of marks obtained by Amal, Bim...

The ratio of marks obtained by Amal, Bimal and Komal in an examination is ` 12 : 8 : 15`. Find the marks obtained by Bimal and Komal, if Amal scored 15 marks less than that of Komal.

Text Solution

Verified by Experts

Let the marks scored by Amal, Bimal and komal by 12x, 8x and 15x , respectively.
Given that Amal scored 15 marks less than that of Komal.
` rArr 12 x = 15x - 15`
` rArr 3x = 15`
` rArr x = 5`.
`:.` Marks scored by Bimal = 8x = 8(5) = 40.
Marks scored by Komal = 15x = 15(5) = 75.
Promotional Banner

Topper's Solved these Questions

  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise Very Short Type Questions|30 Videos

  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise Short Answer Type Questions|15 Videos

  • QUADRATIC EXPRESSIONS AND EQUATIONS

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|23 Videos

  • SALES TAX AND COST OF LIVING INDEX

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|14 Videos

Similar Questions

Explore conceptually related problems

Study the pie chart given below depicting the marks scored by a student in an examination out of 540. Find the marks obtained by him in each subject.

A comparison of marks socred by Gauri , Aaban, Seerat and Alvina in an examination is as follows I. Gauri has scored 15 marks ess than Aaban. II. Gauri has scored 20 marks more than Seerat . III. Alvina has scored 10 marks less than Seerat To decide who has scored the highest marks, identify the statement from those given in the alternatives in respect of sufficiency of data

The marks obtained by a student in examinations are given below : 80, 72, 84, 79, 90 find the average marks of the student

What is cumulative frequency of marks less than 15