How many students are there in college A?
Explanation:
Let the number of students be:
CS E M
College A 3x 11x 14x
College B 8y 8y 7y
The number of commerce students in A is twice that in B
∴ 14x = 2 × 7x
⇒ x = y
∴ Total number of students in A = 28x and in B = 23x
Also, 28x = 23x + 500
⇒ x = 100
Number of students in college A = 28x = 2800
Hence, 2800.
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