If 18 is 15% of 50% of a certain number ,what is the number?
Solution
Correct Answer: Option C
মনে করি, সংখ্যাটি =x
প্রশ্নমতে ,
x এর 50% এর 15%=18
⇒ x ×(50/100) ×(15/100)=18
⇒ x=(18 ×100 ×100)/(50 ×15)
∴ x=240
প্রশ্নমতে ,
x এর 50% এর 15%=18
⇒ x ×(50/100) ×(15/100)=18
⇒ x=(18 ×100 ×100)/(50 ×15)
∴ x=240
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