direct and inverse proportions

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

A school has 8 periods a day each of 45 minutes duration. How long would each period be, if the school has 9 periods a day, assuming the number of school hours to be the same?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 11

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

Two persons could fit new windows in a house in 3 days. (i) One of the persons fell ill before the work started. How long would the job take now? (ii) How many persons would be needed to fit the windows in one day?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 10

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

A car takes 2 hours to reach a destination by travelling at the speed of 60 km/hr. How long will it take when the car travels at the speed of 80 km/hr?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 9

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

A factory requires 42 machines to produce a given number of articles in 63 days. How many machines would be required to produce the same number of articles in 54 days?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 8

Ishani singh

Asked: March 12, 2021In: Class 8 Maths

A batch of bottles was packed in 25 boxes with 12 bottles in each box. If the same batch is packed using 20 bottles in each box, how many boxes would be filled?

NCERT Solutions for Class 8 Mathematics Chapter 13 Important NCERT Questions Direct and Inverse Proportions Chapter 8 Exercise 13.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 7

A school has 8 periods a day each of 45 minutes duration. How long would each period be, if the school has 9 periods a day, assuming the number of school hours to be the same?

Two persons could fit new windows in a house in 3 days. (i) One of the persons fell ill before the work started. How long would the job take now? (ii) How many persons would be needed to fit the windows in one day?

A car takes 2 hours to reach a destination by travelling at the speed of 60 km/hr. How long will it take when the car travels at the speed of 80 km/hr?

A factory requires 42 machines to produce a given number of articles in 63 days. How many machines would be required to produce the same number of articles in 54 days?

A batch of bottles was packed in 25 boxes with 12 bottles in each box. If the same batch is packed using 20 bottles in each box, how many boxes would be filled?

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