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Rishit Kumar

Asked: December 28, 2020In: Class 10 Maths

Yash scored 40 marks in a test, getting 3 marks for each right answer and losing 1 mark for each wrong answer. Had 4 marks been awarded for each correct answer and 2 marks been deducted for each incorrect answer, then Yash would have scored 50 marks. How many questions were there in the test?

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:3

Raghav Juyal

Asked: December 27, 2020In: Class 10 Maths

Solve the following pair of linear equations: x/a – y/b =0 and ax + by = a²= b²

Pair Of Linear Equation In Two Variables, 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 ...

Ramani Bharadwaj

Asked: December 27, 2020In: Class 10 Maths

Solve the following pairs of equations by reducing them to a pair of linear equations: 10/x+y + 2/x-y =4 And 15/x+y – 5/x-y =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 3.6 Page No:67 Questions No:1 Part:7

Ramani Bharadwaj

Asked: December 26, 2020In: Class 10 Maths

Ritu can row downstream 20 km in 2 hours, and upstream 4 km in 2 hours. Find her speed of rowing in still water and the speed of the current.

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:1

Ramani Bharadwaj

Asked: December 26, 2020In: Class 10 Maths

Solve the following pairs of equations by reducing them to a pair of linear equations: 1/3x+y + 1/3x-y=3/4 and 1/2(3x+y) – 1/2(3x-y)=-1/8

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:1 Part:8

Yash scored 40 marks in a test, getting 3 marks for each right answer and losing 1 mark for each wrong answer. Had 4 marks been awarded for each correct answer and 2 marks been deducted for each incorrect answer, then Yash would have scored 50 marks. How many questions were there in the test?

Solve the following pair of linear equations: x/a – y/b =0 and ax + by = a²= b²

Solve the following pairs of equations by reducing them to a pair of linear equations: 10/x+y + 2/x-y =4 And 15/x+y – 5/x-y =2

Ritu can row downstream 20 km in 2 hours, and upstream 4 km in 2 hours. Find her speed of rowing in still water and the speed of the current.

Solve the following pairs of equations by reducing them to a pair of linear equations: 1/3x+y + 1/3x-y=3/4 and 1/2(3x+y) – 1/2(3x-y)=-1/8

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