133 + 28 ÷ 7 − 8 × 2 = ?
(a) 7
(b) 121
(c) 30
(d) none of these

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Solution

(b) 121

Explanation:
Given expression:
= 133 + 28 $\div$ 7 - 8 ⨯ 2
= 133 + 4 - 8 ⨯2 [Performing division]
= 133 + 4 - 16 [Performing multiplication]
= 137 - 16 [Performing addition]
= 121 [Performing subtraction]

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