Class 7 Exam  >  Class 7 Notes  >  RD Sharma Solutions for Class 7 Mathematics  >  RD Sharma Solutions - Ex-11.4, Percentage, Class 7, Math

Ex-11.4, Percentage, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics PDF Download

Question 1:

Find each of the following:
 (i) 7% of Rs 7150
 (ii) 40% of 400 kg
 (iii) 20% of 15.125 litres
Ex-11.4, Percentage, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics
 (v) 2.5% of 600 metres

Answer 1:

(i)  7% of  Rs. 7150 = (7/100) × 7150 = 50050/100 = Rs.  500.50
(ii) 40% of 400 kg = (40/100) ×  400 = 16000/100 = 160 kg
(iii) 20% of 15.125 litres = (20/100) ×  15.125 =  302.5/100 = 3.025 litres

Ex-11.4, Percentage, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics

(v) 2.5% of 600 metres = (2.5/100) × 600 = 1500/100 = 15 metres

 

Question 2:

Find the number whose Ex-11.4, Percentage, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics

Answer 2:

Let the number be x.

Ex-11.4, Percentage, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics

Ex-11.4, Percentage, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics

 

Question 3:

What is the number,  Ex-11.4, Percentage, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics of which is 2?

Answer 3:

Let the number be x.

Ex-11.4, Percentage, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics

Ex-11.4, Percentage, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics

 

Question 4:

If 6 is 50% of a number, what is that number?

Answer 4:

Let the number be x. 
   50% of x = 6
⇒ (50/100) × x = 6
⇒ x = 600/50
⇒ x = 12
So, the number is 12.

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FAQs on Ex-11.4, Percentage, Class 7, Math RD Sharma Solutions - RD Sharma Solutions for Class 7 Mathematics

1. What are RD Sharma Solutions?
Ans. RD Sharma Solutions are the comprehensive and detailed solutions for the RD Sharma textbook, which is a popular mathematics textbook used by students in Class 7. These solutions provide step-by-step explanations and answers to all the questions in the textbook, helping students understand and solve mathematical problems effectively.
2. How can RD Sharma Solutions help in preparing for the Class 7 math exam?
Ans. RD Sharma Solutions can be extremely helpful in preparing for the Class 7 math exam. These solutions provide a thorough understanding of the concepts and techniques covered in the textbook. By practicing and solving the questions given in RD Sharma Solutions, students can improve their problem-solving skills, gain confidence, and enhance their overall performance in the exam.
3. Are RD Sharma Solutions available for free online?
Ans. Yes, RD Sharma Solutions are available for free online. There are several websites and online platforms that provide access to these solutions. Students can easily find and download the solutions in PDF format, making it convenient for them to study and prepare for their Class 7 math exam.
4. Can RD Sharma Solutions be used for self-study?
Ans. Absolutely! RD Sharma Solutions are designed to be self-explanatory and student-friendly. The detailed step-by-step solutions make it easy for students to understand the concepts and solve the problems on their own. By using RD Sharma Solutions for self-study, students can effectively learn and revise the subject at their own pace, leading to better exam preparation.
5. Are RD Sharma Solutions only available for Class 7 math?
Ans. No, RD Sharma Solutions are available for various classes and subjects. The RD Sharma textbook series covers mathematics from Class 6 to Class 12, and solutions are available for all these classes. Additionally, RD Sharma Solutions are also available for other subjects like Physics and Chemistry. These solutions provide comprehensive support to students across different grade levels.
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