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1. NCERT Solutions - Mathematics, Class 6

CHAPTERS

1. Knowing Our Numbers

2. Whole Numbers

3. Playing With Numbers

4. Basic Geometrical Ideas

5. Understanding Elementary Shapes

6. Integers

7. Fractions

8. Decimals

9. Data Handling

10. Mensuration

11. Algebra

12. Ratio and Proportion

13. Symmetry

EXERCISES

1. Exercise 11.1

2. Exercise 11.2

3. Exercise 11.3

4. Exercise 11.4

5. Exercise 11.5

Q1) State which of the following are equations (with a variable). Given the reason for your answer. Identify the variable from the equations with a variable.

(a) 17=x+7

(b) (t–7)>5

(c) \frac{4}{2}=2

(d) (7×3)–19=8

(e) 5×4–8=2x

(f) x–2=0

(g) 2m<30

(h) 2n+1=11

(i) 7=(11×5)–(12×4)

(j) 7=(11×2)+p

(k) 20=5y

(l) \frac{3q}{2}<5

(m) z+12>24

(n) 20–(10–5)=3×5

(o) 7–x=5

Q2) Complete the entries of the third column of the table:

Q3) Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.

(a) 5m=60 (10, 5, 12, 15)

(b) n+12=20 (12, 8, 20, 0)

(c) p–5=5 (0, 10, 5, –5)

(d) \frac{q}{2}= 7 (7, 2, 10, 14)

(e) r–4=0 (4, –4, 8, 0)

(f) x+4=2 (–2, 0, 2, 4)

Q4)

(a) Complete the table and by inspection of the table find the solution to the equation m + 10 =16

(b) Complete the table and by inspection of the table find the solution to equation 5t=35.

(c) Complete the table and by inspection of the table find the solution to the equation \frac{z}{3}=4

(d) Complete the table and by inspection of the table find the solution to the equation m–7=3.

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Mathematics

NCERT Solutions - Mathematics, Class 6

Knowing Our Numbers

Whole Numbers

Playing With Numbers

Basic Geometrical Ideas

Understanding Elementary Shapes

Integers

Fractions

Decimals

Data Handling

Mensuration

Algebra

Ratio and Proportion

Symmetry

Exercise 11.1

Exercise 11.2

Exercise 11.3

Exercise 11.4

Exercise 11.5

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