Chapter-2 Arithmetic Expressions — Online MCQ Test

MATHS · Grade 7 · CBSE(NCERT)
Practice Chapter-2 Arithmetic Expressions with a free chapter-wise online MCQ test. This chapter covers: operations - brackets - order of operations - arithmetic expressions. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-2 Arithmetic Expressions — Important Questions & Answers

What is the correct order of operations in arithmetic expressions?

A. Brackets, Orders, Division, Multiplication, Addition, Subtraction
B. Addition, Subtraction, Multiplication, Division, Brackets, Orders
C. Brackets, Orders, Multiplication, Division, Addition, Subtraction
D. Multiplication, Division, Addition, Subtraction, Brackets, Orders

Answer: A. Brackets, Orders, Division, Multiplication, Addition, Subtraction
BODMAS (or PEMDAS) rule states the correct order: Brackets, Orders (exponents), Division, Multiplication, Addition, Subtraction.

Which operation should be performed first in the expression 5 + 3 × 2?

A. Addition (5 + 3)
B. Multiplication (3 × 2)
C. Either one; the result is the same
D. Subtraction

Answer: B. Multiplication (3 × 2)
According to BODMAS, multiplication must be done before addition. So 3 × 2 = 6, then 5 + 6 = 11.

What is the simplified form of 3x + 2x?

A. 5x
B. 6x
C. x
D. 3x + 2

Answer: A. 5x
Like terms can be combined by adding coefficients: 3x + 2x = (3 + 2)x = 5x.

Evaluate: (8 + 2) × 3 - 5

A. 25
B. 29
C. 35
D. 31

Answer: A. 25
Bracket first: (8 + 2) = 10, then 10 × 3 = 30, finally 30 - 5 = 25.

If 2(x + 3) = 14, what is the value of x?

A. 4
B. 5
C. 6
D. 7

Answer: A. 4
2(x + 3) = 14 means x + 3 = 7, so x = 4.