Subject
Bank Exam
Topic
Agrani Bank 2013 Senior Officer (Cancelled)
What is the value of x if 4/x + 3/5 = 10/x, then x=?
What is the value of x if 4/x + 3/5 = 10/x, then x=?
ক)
50খ)
12গ)
40ঘ)
10Explanation
4/x + 3/5 = 10/x or, (20 + 3x)/5x = 10/x or, 20x + 3x2 = 50x or, 3x2 - 50x + 20x = 0 or, 3x2 - 30x = 0 or, 3x(x – 10) = 0 Now, Either, 3x = 0 x = 0 Or, x – 10 = 0 x = 10Related questions
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