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What will come in place of the question mark (?) in the following equation if ‘+’ and ‘−‘ are interchanged and ‘÷’ and ‘×’ are interchanged? 15 ÷ 8 − 16 × 4 + 9 = ?

A110

B120

C115

D105

Answer:

C. 115

Read Explanation:

115


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Select the correct combination of mathematical signs that can sequentially replace the * signs from left to right to balance the following equation. 31*2*60*30*15*49
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In a certain code language, 'A ? B' means ‘A is the wife of B’, 'A × B' means ‘A is the brother of B’, 'A : B' means ‘A is the father of B’ and 'A − B' means ‘A is the son of B’. How is L related to M if 'E − G ? L : K × M’?
If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, what will come in place of the question mark (?) in the following equation? 25 A 5 B 1 C 4 D 2 = ?

Which two signs should be interchanged to make the given equation correct?

32 + 24 × 4 ÷ 16 – 64 = 90