RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

RD Sharma Solutions for Class 7 Mathematics

Created by: Abhishek Kapoor

Class 7 : RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

The document RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev is a part of the Class 7 Course RD Sharma Solutions for Class 7 Mathematics.
All you need of Class 7 at this link: Class 7

QUESTION 1:

Divide:
(i) 102 by 17
(ii) −85 by 5
(iii) −161 by −23
(iv) 76 by −19
(v) 17654 by −17654
(vi) (−729) by (−27)
(vii) 21590 by −10
(viii) 0 by −135


ANSWER 1:

RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev


QUESTION 2:

Fill in the blanks:
(i) 296 ÷ ... = −148
(ii) −88 ÷ ... = 11
(iii) 84 ÷ ... = 12
(iv) ....... ÷ −5 = 25
(v) ....... ÷ 156 = −2
(vi) ....... ÷ 567 = −1


ANSWER 2:

RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev


RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

(iv) 25×(5) = 12525×(-5) = -125
∴ 125÷5 = 25-125÷-5 = 25
(v) 156×(2) = 312156×(-2) = -312
∴ 312÷156 = 2-312÷156 = -2
(vi) 567×(1) = 567567×(-1) = -567
∴ 567 ÷ 567 = 1 


QUESTION 3:

Which of the following statements are true?
(i) 0 ÷ 4 = 0
(ii) 0 ÷ (−7) = 0
(iii) −15 ÷ 0 = 0
(iv) 0 ÷ 0 = 0
(v) (−8) ÷ (−1) = −8
(vi) −8 ÷ (−2) = 4

ANSWER 3:

RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

Because LHS is equal to RHS, the equation is true. 

RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

Because LHS is equal to RHS, the equation is true. 


RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

Because LHS is not equal to RHS, the equation is false. 


RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

Because LHS is not equal to RHS, the equation is false. 

RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

Because LHS and RHS are not equal, the equation is false. 


RD Sharma Solutions - Ex-1.2 Integers, Class 7, Math Class 7 Notes | EduRev

Because LHS is equal to RHS, the equation is true.

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