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Home/chapter 12/Page 3

Tiwari Academy Discussion Latest Questions

Caitri
Caitri
Asked: March 24, 2021In: Class 7 Maths

Simplify the expression and find its value when a= 5 and b =-3: 2(a²+ab)+3-ab

NCERT Solutions for Class 7 Mathematics Chapter 12 Important NCERT Questions Class vii Math Chapter 12 Algebraic Expressions Exercise 12.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 10

2020-2021algebraic expressionscbsechapter 12class7mathematicsncert
  • 1 1 Answer
  • 264 Views
  • 7 Votes
Answer
Caitri
Caitri
Asked: March 24, 2021In: Class 7 Maths

What should be the value of a if the value of 2x² + x – a equals to 5, when x = 0 ?

NCERT Solutions for Class 7 Mathematics Chapter 12 Important NCERT Questions Class vii Math Chapter 12 Algebraic Expressions Exercise 12.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 9

2020-2021algebraic expressionscbsechapter 12class7mathematicsncert
  • 1 1 Answer
  • 168 Views
  • 7 Votes
Answer
Caitri
Caitri
Asked: March 24, 2021In: Class 7 Maths

Simplify these expressions and find their values if x=3,a=-1,b=-2: 3x-5-x+9

NCERT Solutions for Class 7 Mathematics Chapter 12 Important NCERT Questions Class vii Math Chapter 12 Algebraic Expressions Exercise 12.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 7

2020-2021algebraic expressionscbsechapter 12class7mathematicsncert
  • 1 1 Answer
  • 266 Views
  • 6 Votes
Answer
Caitri
Caitri
Asked: March 24, 2021In: Class 7 Maths

Simplify the expressions and find the value if x is equal to 2: x+7+4(x-5)

NCERT Solutions for Class 7 Mathematics Chapter 12 Important NCERT Questions Class vii Math Chapter 12 Algebraic Expressions Exercise 12.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 6

2020-2021algebraic expressionscbsechapter 12class7mathematicsncert
  • 1 1 Answer
  • 278 Views
  • 7 Votes
Answer
Caitri
Caitri
Asked: March 24, 2021In: Class 7 Maths

When a = 0,b=-1, find the value of the given expressions: 2a+2b

NCERT Solutions for Class 7 Mathematics Chapter 12 Important NCERT Questions Class vii Math Chapter 12 Algebraic Expressions Exercise 12.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 5

2020-2021algebraic expressionscbsechapter 12class7mathematicsncert
  • 1 1 Answer
  • 236 Views
  • 6 Votes
Answer
Caitri
Caitri
Asked: March 24, 2021In: Class 7 Maths

If a = 2,b= -2, find the value of: (i) a²+b² (ii) a²+ab+b²

NCERT Solutions for Class 7 Mathematics Chapter 12 Important NCERT Questions Class vii Math Chapter 12 Algebraic Expressions Exercise 12.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 4

2020-2021algebraic expressionscbsechapter 12class7mathematicsncert
  • 1 1 Answer
  • 179 Views
  • 6 Votes
Answer
Caitri
Caitri
Asked: March 24, 2021In: Class 7 Maths

Find the value of the following expressions, when x = -1: (i) 2x-7 (ii) -x + 2

NCERT Solutions for Class 7 Mathematics Chapter 12 Important NCERT Questions Class vii Math Chapter 12 Algebraic Expressions Exercise 12.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 3

2020-2021algebraic expressionscbsechapter 12class7mathematicsncert
  • 1 1 Answer
  • 259 Views
  • 5 Votes
Answer
Caitri
Caitri
Asked: March 24, 2021In: Class 7 Maths

If p = -2, find the value of: (i) 4p+7 (ii) -3p²+4p+7

NCERT Solutions for Class 7 Mathematics Chapter 12 Important NCERT Questions Class vii Math Chapter 12 Algebraic Expressions Exercise 12.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 2

2020-2021algebraic expressionscbsechapter 12class7mathematicsncert
  • 1 1 Answer
  • 64 Views
  • 6 Votes
Answer
Caitri
Caitri
Asked: March 24, 2021In: Class 7 Maths

If m = 2, find the value of: (i) m-2 (ii) 3m-5

NCERT Solutions for Class 7 Mathematics Chapter 12 Important NCERT Questions Class vii Math Chapter 12 Algebraic Expressions Exercise 12.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 1

2020-2021algebraic expressionscbsechapter 12class7mathematicsncert
  • 1 1 Answer
  • 240 Views
  • 5 Votes
Answer
Caitri
Caitri
Asked: March 24, 2021In: Class 7 Maths

From the sum of 3x – y + 11 and – y – 11, subtract 3x – y – 11.

NCERT Solutions for Class 7 Mathematics Chapter 12 Important NCERT Questions Class vii Math Chapter 12 Algebraic Expressions Exercise 12.2 NCERT Books for Session 2020-2021 CBSE Board Questions No: 6

2020-2021algebraic expressionscbsechapter 12class7mathematicsncert
  • 1 1 Answer
  • 233 Views
  • 6 Votes
Answer
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