Tiwari Academy Discussion

Asked: December 25, 2020In: Class 10 Science

Differentiate between soap and detergent.

NCERT Solutions for Class 10 Science Chapter 4 Important Board Questions Carbon and its Compounds NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 11

Chemistry Solution Teacher

Asked: December 25, 2020In: Class 10 Science

What is the role of conc. H₂SO₄ in making ethane from ethanol?

NCERT Solutions for Class 10 Science Chapter 4 Important Board Questions Carbon and its Compounds NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 10 Part: b

parveen sultana

Asked: December 25, 2020In: Class 10 Maths

On dividing x² – 3 x² + x + 2 by a polynomial g(x), the quotient and remainder were x – 2 and –2x + 4, respectively. Find g(x).

NCERT Solutions for Class 10 Maths Chapter 2 Important NCERT Questions Polynomials NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 2.3 Page No:36 Questions No:2 Part:4

Rajni Kothari

Asked: December 25, 2020In: Class 10 Maths

Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients. 4s² – 4s + 1.

NCERT Solutions for Class 10 Maths Chapter 2 Important NCERT Questions Polynomials NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 2.2 Page No:33 Questions No:1 Part:2

Raghav Juyal

Asked: December 25, 2020In: Class 10 Maths

Solve the following pair of linear equations: 152x – 378y = – 74 and –378x + 152y = – 604

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.7 Page No:68 Questions No:7 Part:5

Ramani Bharadwaj

Asked: December 25, 2020In: Class 10 Maths

Roohi travels 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and the remaining by bus, she takes 10 minutes longer. Find the speed of the train and the bus separately.

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.6 Page No:67 Questions No:2 Part:3

Ramani Bharadwaj

Asked: December 25, 2020In: Class 10 Maths

2 women and 5 men can together finish an embroidery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 woman alone to finish the work, and also that taken by 1 man alone.

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.6 Page No:67 Questions No:2 Part:2

Rishit Kumar

Asked: December 25, 2020In: Class 10 Maths

The area of a rectangle gets reduced by 9 square units, if its length is reduced by 5 units and breadth is increased by 3 units. If we increase the length by 3 units and the breadth by 2 units, the area increases by 67 square units. Find the dimensions of the rectangle.

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.5 Page No:63 Questions No:4 Part:5

Rishit Kumar

Asked: December 25, 2020In: Class 10 Maths

For which values of a and b does the following pair of linear equations have an infinite number of solutions? 2x + 3y = 7 and (a – b) x + (a + b) y = 3a + b – 2.

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.5 Page No:62 Questions No:2 Part:1

Atiksh Singh

Asked: December 25, 2020In: Class 10 Maths

Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions, in case there is a unique solution, find it by using cross multiplication method. x – 3y – 3 = 0 and 3x – 9y – 2 = 0

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.5 Page No:62 Questions No:1 Part:1

Differentiate between soap and detergent.

What is the role of conc. H₂SO₄ in making ethane from ethanol?

On dividing x² – 3 x² + x + 2 by a polynomial g(x), the quotient and remainder were x – 2 and –2x + 4, respectively. Find g(x).

Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients. 4s² – 4s + 1.

Solve the following pair of linear equations: 152x – 378y = – 74 and –378x + 152y = – 604

Roohi travels 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and the remaining by bus, she takes 10 minutes longer. Find the speed of the train and the bus separately.

2 women and 5 men can together finish an embroidery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 woman alone to finish the work, and also that taken by 1 man alone.

The area of a rectangle gets reduced by 9 square units, if its length is reduced by 5 units and breadth is increased by 3 units. If we increase the length by 3 units and the breadth by 2 units, the area increases by 67 square units. Find the dimensions of the rectangle.

For which values of a and b does the following pair of linear equations have an infinite number of solutions? 2x + 3y = 7 and (a – b) x + (a + b) y = 3a + b – 2.

Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions, in case there is a unique solution, find it by using cross multiplication method. x – 3y – 3 = 0 and 3x – 9y – 2 = 0

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