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Importance of Brackets

Simplify: 38 ...

Question

Simplify: 38 - [19 - {14 - (7 - 4)}]

A

22

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B

30

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C

45

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D

11

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Solution

The correct option is B
30

38 - [19 - {14 - (7 - 4)}]

= 38 - [19 - {14 - 3}] [Simplifying small brackets i.e., ()]

= 38 - [19 - 11] [Simplifying curly brackets i.e., {}]

= 38 - 8 [Simplifying square brackets i.e., []]

= 30

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Similar questions

Q. Simplify: 38 - [19 - {14 - (7 - 4)}]

Q. Simplify:

(6)

\frac{1}{4} + \frac{3}{8}

\frac{- 39}{3} \times \frac{19}{5} \times \frac{- 45}{38}

2 \frac{1}{5} + 2 \frac{5}{7} \times \frac{7}{19} - \frac{1}{4} \times 3

4 \times 7 - 14 \div 2

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Importance of Brackets

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