Subject
পেট্রোবাংলা
Topic
বাপেক্স (সহকারী ব্যবস্থাপক) - ২৬.০১.২০২৩
In an essay competition, a winner gets a prize of Tk 100 and a participant who does not win gets a prize of Tk 25. The total prize money distributed is Tk 3,000. Find the number of winners, if the total number of participants is 63.
In an essay competition, a winner gets a prize of Tk 100 and a participant who does not win gets a prize of Tk 25. The total prize money distributed is Tk 3,000. Find the number of winners, if the total number of participants is 63.
ক)
15খ)
17গ)
19ঘ)
21Explanation
ধরি বিজয় এর সংখ্যা = x জন বিজয় হয়নি এমন এর সংখ্যা = 63 - x জন প্রশ্নমতে 25(63 - x) + 100x = 3000 ⇒ 1575 - 25x + 100x = 3000 ⇒ 75x = 3000 - 1575 ⇒ 75x = 1425 ⇒ x = 1425/75 ∴ x = 19Related questions
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