When 4 is added to one half of a number, the result is 14. What is the number?

A 20
B 25
C 30
D 21

Correct Answer: 20

মনে করি, সংখ্যাটি = x প্রশ্নমতে, x2 + 4 = 14⇒ x2 = 10.:. x = 20
Bissoy MCQ

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