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Q.

Is it true that if twice a number decreased by 15, equals 25 then the number is 20?


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a

True

b

False 

answer is A.

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Detailed Solution

It is given  if twice a number decreased by 15, equals 25 then the number is 20.
Let the number be x.
According to question,
2x-15=25 2x=40 x=20
Therefore,  if twice a number decreased by 15, equals 25 then the number is 20 is true.
Hence, the correct option is 1.
 
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