What will come in place of the question mark (?) in the following equation, if 't' and '-' are interchanged and 'x' and '' are interchanged? 456 × 4 - 3 ÷ 11 + 70 = ?

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What will come in place of the question mark (?) in the following equation, if 't' and '-' are interchanged and 'x' and '' are interchanged? 456 × 4 - 3 ÷ 11 + 70 = ?

A84

B77

C87

D79

Answer:

B. 77

Read Explanation:

Interchanges given:

‘+’ and ‘−’ are interchanged
‘×’ and ‘÷’ are interchanged

Original expression

$456 × 4 - 3 ÷ 11 + 70$
After interchanging the operators

× → ÷
÷ → ×
− → +
→ −

So the new equation becomes:
$456 ÷ 4 + 3 × 11 - 70$

Now solve using BODMAS

(456 ÷ 4 = 114)
(3 × 11 = 33)

$114 + 33 - 70 = 77$

Answer: 77

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