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Question

The sum of three numbers is 226. If the ratio of the first to the second is 4:5 and that of second to the third is 7: 10 then the second number is?

A 70 Correct Answer Incorrect Answer
B 64 Correct Answer Incorrect Answer
C 45 Correct Answer Incorrect Answer
D 60 Correct Answer Incorrect Answer
E 80 Correct Answer Incorrect Answer

Solution

Let the three numbers be A, B and C. Now, A:B = 4:5 B:C = 7:10 A: B: C = 28:35:50 A+B+C = 226 28k + 35k + 50k = 226 113k = 226 k = 2 Second number = B = 35 x 2 = 70

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