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CBSE Class 10 Answered

Please solve the question 
question image
Asked by vikasg13.hardware | 22 Jun, 2018, 10:07: PM
answered-by-expert Expert Answer
Let boys be 4x and girls be 3x.
According to the question,
4x - 8 = (3x - 14)2 
4x - 8 = 9x2 - 84x + 196 
9x2 - 88x + 196 + 8 = 0
9x2 - 88x + 204 = 0
(9x - 34) (x - 6) = 0
x = 34/9 or x = 6
Hence, total number of stduents 7 × 6 = 42
Answered by Sneha shidid | 26 Jun, 2018, 11:40: AM
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