90 is 75 percent of which number given below ?

A 110

B 80

C 100

D 120

Solution

Correct Answer: Option D

মনে করি ,
 সংখ্যাটি =x
প্রশ্নমতে ,
x এর 75% =90
⇒ x × 75%=90
⇒ x x 75/100 =90
⇒ x =(90x100)/75
∴ x=120

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