Question : (320 + 342 + 530 + 915) ÷ (20 + 22 – x + 18) = 43, then the value of $x$ is:
Option 1: 15
Option 2: 11
Option 3: 26
Option 4: 23
Answer (1)
24th Jan, 2024
Correct Answer: 11
Solution :
Given: $(320+342+530+915)÷(20+22-x+18)=43$
⇒ $\frac{(320+342+530+915)}{(20+22-x+18)}=43$
⇒ $\frac{2107}{(60-x)}=43$
⇒ $2107=2580-43x$
⇒ $-473=-43x$
⇒ $x=11$
Hence, the correct answer is 11.
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