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Class 7 Exam  >  Class 7 Notes  >  RD Sharma Solutions for Class 7 Mathematics  >  RD Sharma Solutions - Ex-1.3 Integers, Class 7, Math

Ex-1.3 Integers, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics PDF Download

Question 1:

Find the value of
36 ÷ 6 + 3


Answer 1:

On applying the BODMAS rule, we get:
36  ÷  6  + 3
= 6 + 3  (On performing division)
 = 9


Question 2:

Find the value of
24 + 15 ÷ 3


Answer 2:

On applying the BODMAS rule, we get:
24 + 15 ÷ 3
= 24 + 5  (On performing division)
= 29


Question 3:

Find the value of
120 − 20 ÷ 4


Answer 3:

On applying the DMAS rule, we get:
120 − 20 ÷ 4
= 120 − 5 (On performing division)
= 115


Question 4:

Find the value of
32 − (3 × 5) + 4


Answer 4:

On applying the DMAS rule, we get:
32 − ( 3 × 5 ) + 4
= 32 − 15 + 4    (On performing multiplication)
=  36 − 15         (On performing addition)
= 21                  (On performing subtraction)


Question 5:

Find the value of
3 − (5 − 6 ÷ 3)


Answer 5:

On applying the DMAS rule, we get:
3 −- ( 5 −- 6 ÷ 3)
= 3 −- ( 5 − 2)       (On performing division)
= 3 −- 3                (On performing subtraction)
= 0


Question 6:

Find the value of
21 − 12 ÷ 3 × 2


Answer 6:

On applying the DMAS rule, we get:
21 − 12 ÷ 3 × 2
= 21 − 4 × 2         (On performing division)
= 21 − 8               (On performing multiplication)
= 13                      (On performing subtraction)


Question 7:

Find the value of
16 + 8 ÷ 4 − 2 × 3

Answer 7:

On applying the DMAS rule, we get:
16 + 8 ÷ 4 − 2 × 3
= 16 + 2 − 6            (On performing division and multiplication)
= 18 − 6
= 12


Question 8:

Find the value of
28 − 5 × 6 + 2


Answer 8:

On applying the DMAS rule, we get:
28 −- 5 × 6 + 2
= 28 −- 30 + 2 (On performing multiplication)
= 30 −- 30       (On performing addition)
= 0                 (On performing subtraction)


Question 9:

Find the value of
(−20) × (−1) + (−28) ÷ 7

Answer 9:

On applying the DMAS rule, we get:
(− 20) × (− 1) + (−28) ÷ 7
=  20 + (− 4)   (On performing division and multiplication)
= 20 − 4
= 16


Question 10:

Find the value of
(−2) + (−8) ÷ (−4)

Answer 10:

On applying the DMAS rule, we get:
(− 2) + (− 8) ÷ (− 4)
= (− 2) + 2  (On performing division)
= 0             (On performing addition)


Question 11:

Find the value of
(−15) + 4 ÷ (5 − 3)

Answer 11:

 On applying the BODMAS rule, we get:
   (− 15) + 4 ÷ (5 − 3)
= (− 15) + 4 ÷ 2  (On simplifying brackets)
= (− 15) + 2        (On performing division)
= − 13


Question 12:

Find the value of
(−40) × (−1) + (−28) ÷ 7

Answer 12:

On applying the BODMAS rule, we get:
(− 40) × (− 1) + (− 28) ÷ 7
=  40 + (− 4)                           (On performing division and multiplication)
=  36 


Question 13:

Find the value of
(−3) + (−8) ÷ (−4) −2 × (−2)


Answer 13:

On applying the BODMAS rule, we get:
(− 3) + (− 8) ÷ (− 4) − 2 × (− 2)
=  (− 3) + 2 + 4                (On performing division and multiplication)
= (− 3) + 6                       (On performing addition)
= 3                                  (On performing subtraction)


Question 14:

Find the value of
(−3) × (−4) ÷ (−2) + (−1).

Answer 14:

On applying the BODMAS rule, we get:
(−3) × (−4) ÷ (−2) + (−1)
= (−3) × 2 + (−1)                    (On performing division)
=  −6 − 1                                (On performing multiplication)
= −7                                       (On performing addition)

The document Ex-1.3 Integers, Class 7, Math RD Sharma Solutions | RD Sharma Solutions for Class 7 Mathematics is a part of the Class 7 Course RD Sharma Solutions for Class 7 Mathematics.
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FAQs on Ex-1.3 Integers, Class 7, Math RD Sharma Solutions - RD Sharma Solutions for Class 7 Mathematics

1. What are RD Sharma Solutions?
Ans. RD Sharma Solutions are a comprehensive set of solutions for the RD Sharma textbook, which is widely used by students studying mathematics in Class 7. These solutions provide step-by-step explanations for all the questions and problems given in the textbook, helping students understand the concepts and solve the 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 detailed explanations for each question, making it easier for students to understand the concepts and solve similar problems. By practicing with these solutions, students can improve their problem-solving skills and gain confidence in their math abilities, which can ultimately lead to better performance in the exam.
3. Are the RD Sharma Solutions for Class 7 Math available online?
Ans. Yes, the RD Sharma Solutions for Class 7 Math are available online. There are various websites and educational platforms that provide these solutions for free or for a nominal fee. Students can easily access these solutions online and use them as a valuable resource for their exam preparation.
4. Can RD Sharma Solutions be used as a standalone study material for Class 7 Math?
Ans. While RD Sharma Solutions provide detailed explanations and solutions to the textbook questions, it is recommended to use them as a supplement to the textbook rather than a standalone study material. The textbook itself contains important concepts, examples, and exercises that are crucial for understanding the subject. Therefore, it is advisable to use the RD Sharma Solutions in conjunction with the textbook to get a comprehensive understanding of the topics.
5. Are RD Sharma Solutions suitable for self-study?
Ans. Yes, RD Sharma Solutions are suitable for self-study. The solutions provide step-by-step explanations, allowing students to learn at their own pace and independently solve the problems. However, it is always beneficial to seek guidance from a teacher or mentor if any difficulties or doubts arise during the self-study process. Having someone to clarify concepts and provide additional explanations can enhance the effectiveness of using RD Sharma Solutions for self-study.
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