# Octro Interview Questions

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###### An urn contains 10 black and 5 white balls. Two balls are drawn from the urn one after the other without replacement. What is the probability that both drawn balls are black? A. 1/7 B. 2/7 C. 7/3 D. 3/7
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###### The banker’s gain of a certain sum due 2 years hence at 10% per annum is Rs. 24. The present worth is : A. Rs. 200 B. Rs. 400 C. Rs. 600 D. Rs. 800
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###### A can run 1 km in 3 min. 10 sec. and B can cover the same distance in 3 min. 20 sec. By what distance can A beat B ? A. 25 m B. 50 m C. 75 m D. 100 m
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###### A — B will contain elements in ? A. A not in B B. B not in A C. Both A and B D. Neither A nor B
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