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Question

# Q50. A, B and C are three participants in a km race. If A can give B a start of 40 m and B can give C a start of 25 m, how many metres start can A give C?

A

(a) 46 m

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B

(b) 65 m

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C

(c) 60 m

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D

(d) 64 m

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Solution

## The correct option is D (d) 64 m A is 1st, B is 2nd and C is 3rd (Since B can give C a start) Use, (L−X12)X23=L(X13−X12) Where L = 1,000. X12=50 (distance by which Ist beats IInd) X23=? (distance by which IInd beats IIIrd) X13=69 (distance by which Ist beats IIIrd) Now, (1,000 – 50) X23=1000 (69-50) X23=20m

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