Tiwari Academy Discussion

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 10

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

A 5 m 60 cm high vertical pole casts a shadow 3 m 20 cm long. Find at the same time (i) the length of the shadow cast by another pole 10 m 50 cm high (ii) the height of a pole which casts a shadow 5 m long.

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 9

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the map?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 8

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

Suppose 2 kg of sugar contains 9 x 10⁶ crystals. How many sugar crystals are there in (i) 5 kg of sugar? (ii) 1.2 kg of sugar?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 7

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

In a model of a ship, the mast is 9 cm high, while the mast of the actual ship is 12 m high. If the length if the ship is 28 m, how long is the model ship?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 6

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

A photograph of a bacteria enlarged 50,000 times attains a length of 5 cm as shown in the diagram. What is the actual length of the bacteria? If the photograph is enlarged 20,000 times only, what would be its enlarged length?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 5

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

A machine in a soft drink factory fills 840 bottles in six hours. How many bottles will it fill in five hours?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 4

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

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

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 3

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

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.

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 2

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

The car parking charges near a railway station up to: 4 hours ₹60, 8 hours ₹100, 12 hours ₹140, 24 hours ₹180 Check if the parking charges are in direct proportion to the parking time.

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 1

A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?

A 5 m 60 cm high vertical pole casts a shadow 3 m 20 cm long. Find at the same time (i) the length of the shadow cast by another pole 10 m 50 cm high (ii) the height of a pole which casts a shadow 5 m long.

Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the map?

Suppose 2 kg of sugar contains 9 x 10⁶ crystals. How many sugar crystals are there in (i) 5 kg of sugar? (ii) 1.2 kg of sugar?

In a model of a ship, the mast is 9 cm high, while the mast of the actual ship is 12 m high. If the length if the ship is 28 m, how long is the model ship?

A photograph of a bacteria enlarged 50,000 times attains a length of 5 cm as shown in the diagram. What is the actual length of the bacteria? If the photograph is enlarged 20,000 times only, what would be its enlarged length?

A machine in a soft drink factory fills 840 bottles in six hours. How many bottles will it fill in five hours?

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

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.

The car parking charges near a railway station up to: 4 hours ₹60, 8 hours ₹100, 12 hours ₹140, 24 hours ₹180 Check if the parking charges are in direct proportion to the parking time.

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