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Question (11)

QN0015557

Which rule is followed while simplifying arithmetic expressions?

(A) BODMAS
(B) LCM
(C) HCF
(D) Roman Numerals

Correct Answer: A

Explanation:

BODMAS determines the order of operations.

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Question (12)

QN0015558

In BODMAS, the letter O stands for:

(A) Order
(B) Operation
(C) Ordinary
(D) Object

Correct Answer: A

Explanation:

O stands for Orders.

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Question (13)

QN0015559

Evaluate 5 + 2² × 3.

(A) 21
(B) 27
(C) 17
(D) 49

Correct Answer: C

Explanation:

2² = 4, 4 × 3 = 12, 12 + 5 = 17.

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Question (14)

QN0015560

Find the value of 40 – 12 ÷ 3 × 2.

(A) 32
(B) 28
(C) 24
(D) 20

Correct Answer: A

Explanation:

12 ÷ 3 = 4, 4 × 2 = 8, 40 – 8 = 32.

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Question (15)

QN0015561

Evaluate 7 + (15 – 9) × 2.

(A) 19
(B) 28
(C) 21
(D) 31

Correct Answer: A

Explanation:

(15 – 9) = 6, 6 × 2 = 12, 7 + 12 = 19.

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Question (16)

QN0015562

What is the value of 48 ÷ (8 ÷ 2)?

(A) 12
(B) 6
(C) 24
(D) 3

Correct Answer: A

Explanation:

8 ÷ 2 = 4, then 48 ÷ 4 = 12.

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Question (17)

QN0015563

Which pair gives the same value?

(A) 6 + 4 × 2 and (6 + 4) × 2
(B) 12 – 3 × 2 and (12 – 3) × 2
(C) 18 ÷ 3 × 2 and 18 ÷ (3 × 2)
(D) None of these

Correct Answer: D

Explanation:

All three pairs have different values.

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Question (18)

QN0015564

Evaluate 100 – 20 ÷ 5 × 4.

(A) 84
(B) 64
(C) 16
(D) 96

Correct Answer: A

Explanation:

20 ÷ 5 = 4, 4 × 4 = 16, 100 – 16 = 84.

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Question (19)

QN0015565

Find the value of 5 × (8 – 3) + 7.

(A) 32
(B) 42
(C) 18
(D) 28

Correct Answer: A

Explanation:

5 × 5 + 7 = 32.

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Question (20)

QN0015566

Evaluate 9 + 18 ÷ 6 + 2.

(A) 14
(B) 12
(C) 16
(D) 18

Correct Answer: A

Explanation:

18 ÷ 6 = 3, 9 + 3 + 2 = 14.

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