Tiwari Academy Discussion

Vaagai Singh

Asked: March 2, 2021In: Class 6 Maths

Find the cost of fencing a rectangular park of length 175 m and breadth 125 m at the rate of ₹12 per meter.

NCERT Solutions for Class 6 Mathematics Chapter 10 Important NCERT Questions Mensuration Chapter 10 Exercise 10.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 14

Vaagai Singh

Asked: March 2, 2021In: Class 6 Maths

Find the cost of fencing a square park of side 250 m at the rate of ₹20 per meter.

NCERT Solutions for Class 6 Mathematics Chapter 10 Important NCERT Questions Mensuration Chapter 10 Exercise 10.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 13

Vaagai Singh

Asked: March 2, 2021In: Class 6 Maths

Two sides of a triangle are 12 cm and 14 cm. The perimeter of the triangle is 36 cm. What is the third side?

NCERT Solutions for Class 6 Mathematics Chapter 10 Important NCERT Questions Mensuration Chapter 10 Exercise 10.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 12

Vaagai Singh

Asked: March 2, 2021In: Class 6 Maths

A piece of string is 30 cm long. What will be the length of each side if the string is used to form: (a) a square (b) an equilateral triangle (c) a regular hexagon?

NCERT Solutions for Class 6 Mathematics Chapter 10 Important NCERT Questions Mensuration Chapter 10 Exercise 10.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 11

Vaagai Singh

Asked: March 2, 2021In: Class 6 Maths

The perimeter of a regular pentagon is 100 cm. How long is its each side?

NCERT Solutions for Class 6 Mathematics Chapter 10 Important NCERT Questions Mensuration Chapter 10 Exercise 10.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 10

Chaaya

Asked: February 25, 2021In: Class 12 Biology

Find out the role of microbes in the following and discuss it with your teacher. (a) Single cell protein (SCP) (b) Soil

NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare Important Board Questions Microbes in Human Welfare NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 13

Chaaya

Asked: February 25, 2021In: Class 12 Biology

Three water samples namely river water, untreated sewage water and secondary effluent discharged from a sewage treatment plant were subjected to BOD test. The samples were labelled A, B and C; but the laboratory attendant did not note which was which. The BOD values of the three samples A, B and C were recorded as 20mg/L, 8mg/L and 400mg/L, respectively. Which sample of the water is most polluted? Can you assign the correct label to each assuming the river water is relatively clean?

NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare Important Board Questions Microbes in Human Welfare NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 11

Chaaya

Asked: February 25, 2021In: Class 12 Biology

Microbes can be used to decrease the use of chemical fertilisers and pesticides. Explain how this can be accomplished.

NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare Important Board Questions Microbes in Human Welfare NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 10

Chaaya

Asked: February 25, 2021In: Class 12 Biology

Do you think microbes can also be used as source of energy? If yes, how?

NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare Important Board Questions Microbes in Human Welfare NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 9

Chaaya

Asked: February 25, 2021In: Class 12 Biology

What is the key difference between primary and secondary sewage treatment?

NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare Important Board Questions Microbes in Human Welfare NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 8

Find the cost of fencing a rectangular park of length 175 m and breadth 125 m at the rate of ₹12 per meter.

Find the cost of fencing a square park of side 250 m at the rate of ₹20 per meter.

Two sides of a triangle are 12 cm and 14 cm. The perimeter of the triangle is 36 cm. What is the third side?

A piece of string is 30 cm long. What will be the length of each side if the string is used to form: (a) a square (b) an equilateral triangle (c) a regular hexagon?

The perimeter of a regular pentagon is 100 cm. How long is its each side?

Find out the role of microbes in the following and discuss it with your teacher. (a) Single cell protein (SCP) (b) Soil

Microbes can be used to decrease the use of chemical fertilisers and pesticides. Explain how this can be accomplished.

Do you think microbes can also be used as source of energy? If yes, how?

What is the key difference between primary and secondary sewage treatment?

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