Which number will come in the place of the question mark (?) $ 49 \times 7 – 6 \div 2 +15 = ? $
Which number will come in the place of the question mark (?) in the following equation if ‘+’ and ‘-‘ are interchanged and $’\times $ and $’\div’$ are interchanged?
उस विकल्प का चयन कीजिए जो पाँचवें अक्षर-समूह से उसी प्रकार संबंधित हो, जिस प्रकार दूसरा अक्षर-समूह पहले अक्षर-समूह से तथा चौथा अक्षर-समूह तीसरे अक्षर-समूह से संबंधित है।
$ 49 \times 7 – 6 \div 2 +15 = ? $
Detailed Solution & Logic
4
Solution:
Interchange the signs:
- $\times \leftrightarrow \div$
- $+ \leftrightarrow -$
The equation becomes:
$49 \div 7 + 6 \times 2 - 15$
Now apply BODMAS:
= 7 + 12 - 15
= 19 - 15
= 4
Answer: 4 ✅
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