Question : What is the value of $\frac{126}{39} × \left(\frac{78}{14}÷ \frac{13}{91}\right)-\frac{45}{9} ?$
Option 1: 121
Option 2: 123
Option 3: 143
Option 4: 141
Answer (1)
23rd Jan, 2024
Correct Answer: 121
Solution :
Given expression,
$\frac{126}{39} × \left(\frac{78}{14}÷ \frac{13}{91}\right)-\frac{45}{9}$
$=\frac{126}{39}×\left(\frac{78}{14}× \frac{91}{13}\right)-5$
$=\frac{126}{39}×39-5$
$=126-5$
$=121$
Hence, the correct answer is 121.
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