Question : Rs. 2,420 were divided among A, B, and C so that A : B = 5 : 4 and B : C = 9 : 10. Then C gets:
Option 1: Rs. 680
Option 2: Rs. 800
Option 3: Rs. 900
Option 4: Rs. 950
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Correct Answer: Rs. 800
Solution :
Given: Total sum = Rs. 2420
A : B = 5 : 4 = 45 : 36
B : C = 9 : 10 = 36 : 40
So, A : B : C = 45 : 36 : 40
Now, A + B + C = 45 + 36 + 40 = 121 units
So, 121 units = Rs. 2,420
⇒ 1 unit = $\frac{2420}{121}$ = Rs. 20
Then, C = 40 × 20 = Rs. 800
Hence, the correct answer is Rs. 800.
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