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प्रश्न
In a Mathematics quiz, 30 prizes consisting of 1st and 2nd prizes only are to be given. 1st and 2nd prizes are worth ₹ 2000 and ₹ 1000, respectively. If the total prize money is ₹ 52,000 then show that:
The solution of the equation is ______.
रिक्त स्थान भरें
उत्तर
The solution of the equation is 22.
Explanation:
Given, the number of prizes = 30
Total prize money = ₹ 52000, 1st and 2nd prizes are worth ₹ 2000 and ₹ 1000, respectively.
From (c), 1000x + 30000 = 52000
⇒ 1000x = 52000 – 30000 = 22000
⇒ x = `22000/1000` = 22
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