If x < 10 and 2x - 3y = 8, which of the following must be true ?  

A    y < 4 

B  y < 6 

C  y < 5 

D   none of these 

Solution

Correct Answer: Option A

যদি x = 10 হয়; তাহলে, 2x - 3y = 8  => 2.10 - 3y = 8  => -3y  = -12   y = 4 

 কিন্তু বলা হয়েছে যে, x < 10        y is also < 4  

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