Think of a number .Divide it by 4 and add 9 to it .If the result is 15 what is number ?

A 20

B 22

C 24

D 25

Solution

Correct Answer: Option C

মনে করি ,সংখ্যাটি =x
প্রশ্নমতে ,x/4 + 9=15
          বা, x/4=15-9
         বা, x/4=6
          বা,x=24

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