NCERT Class 8

3. In Question 2 above, if 1 part of a red pigment requires 75 mL of base, how much red pigment should we mix with 1800 mL of base? 3. In Question 2 above how much red pigment should we mix with 1800 mL of base? if 1 part of a red pigment requires 75 [...]

2. A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base. In the following table, find the parts of base that need to be added. 2. A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base. In the following [...]

1.Following are the car parking charges near a railway station upto: 4 hours Rs.60 8 hours Rs.100 12 hours Rs.140 24 hours Rs.180 Check if the parking charges are in direct proportion to the parking time. 7. Simplify. (ii) 3^5 x 10^5 x 125/ 5^-7 x 6^-5 October 12, 2020 Category: Chapter 13 - Direct [...]

4. In a stack there are 5 books each of thickness 20 mm and 5 paper sheets each of thickness 0.016 mm. What is the total thickness of the stack? 4. In a stack there are 5 books each of thickness 20 mm and 5 paper sheets each of thickness 0.016 mm. What is the [...]

3. Express the number appearing in the following statements in standard form. (v) Thickness of a thick paper is 0.07 mm 3. Express the number appearing in the following statements in standard form. (v) Thickness of a thick paper is 0.07 mm October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , [...]

3. Express the number appearing in the following statements in standard form. (iv) Size of a plant cell is 0.00001275 m 3. Express the number appearing in the following statements in standard form. (iv) Size of a plant cell is 0.00001275 m October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , [...]

3. Express the number appearing in the following statements in standard form. (iii) Size of bacteria is 0.0000005 m 3. Express the number appearing in the following statements in standard form. (iii) Size of bacteria is 0.0000005 m October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,

3. Express the number appearing in the following statements in standard form. (ii) Charge of an electron is 0.000, 000, 000, 000, 000, 000, 16 coulomb. 000. 16 coulomb. 3. Express the number appearing in the following statements in standard form. (ii) Charge of an electron is 0.000 October 12, 2020 Category: Chapter 12 - [...]

3. Express the number appearing in the following statements in standard form. (i) 1 micron is equal to 1/1000000 m. 3. Express the number appearing in the following statements in standard form. (i) 1 micron is equal to 1/1000000 m. October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class [...]

3. Express the number appearing in the following statements in standard form. (v) Thickness of a thick paper is 0.07 mm 3. Express the number appearing in the following statements in standard form. (v) Thickness of a thick paper is 0.07 mm October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , [...]