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If -means x, x means+, + means ÷ and ÷ means - what will be the value of 120 + 8-2÷21 = ?

A0

B9

C2

D4

Answer:

B. 9

Read Explanation:

120 + 8-2÷21 using correct symbols, 120 ÷ 8 x 2 - 21 =15 x 2 - 21 =9

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Select the correct equation after interchanging operations ‘+’ and ‘–’ and numbers ‘4’ and ‘8’.
If ‘+’ means ×, ‘–’ means ÷ , ‘×’ means + and ‘÷ ’ means – ; compute the value of the expression: 45–9+4×5
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Which of the following interchanges of signs would make the given equation correct? 12÷6 x 18+ 16-15 = 5