question related to quadratic equation!
Asked by vshrikanth | 11th Feb, 2011, 06:51: PM
Let the number of children be x.
So each child has to give (x-1) gifts.
Thus, total number of gifts = x(x-1) = 132
x2 - x - 132 = 0
(x - 12) (x+11) = 0
x = 12 or x = -11
But, x cannot be negative.
Thus, the number of children is 12.
We hope that clarifies your query.
Answered by | 11th Feb, 2011, 09:53: PM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number