Question
A sum of Rs. 4800 was to be divided among A, B, C, and D
in the ratio of 3:4:5:8, but it was divided in the ratio of (1/3) :(1/4) :(1/4):(1/6) by mistake. As a result:Solution
A = 3/20 × 4800 = Rs. 720 B = 4/20 × 4800 = Rs. 960 C = 5/20 × 4800 = Rs. 1200 D = 8/20 × 4800 = Rs. 1920 The ratio of profit share of A, B, C, and D by mistake = [(1/3) :(1/4) :(1/4) :(1/6)] × 60 = 20:15:15:10 Now profit share of: A = 20/60 × 4800 = Rs. 1600 B = 15/60 × 4800 = Rs. 1200 C = 15/60 × 4800 = Rs. 1200 D = 10/60 × 4800 = Rs. 800 I received Rs. 880 more B received Rs. 240 more C received same D received Rs 1120 less
What is the value of (4ab+ab2)/(a2 b),  a,b ≠0
I. a + b = 0
II. a – b = 1
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