A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?
ایک عدد کو دوگنا کر کے 9 کا اضافہ کیا جاتا ہے۔ اگر نتیجہ تین گنا ہو جائے تو یہ 75 ہو جاتا ہے۔ وہ نمبر کیا ہے؟
Answer: 8
Explanation
Let x= the number
So according to the given conditions,
3 ( 2x + 9) = 75
6x + 27 = 75
6x = 75 − 27
6x = 48
x = 48/6
x = 8
ND-21-5-2023
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