# marshall wace north america Interview Questions

###### What is the value of (25.732)2 – (15.732)2? A. 414.64 B. 414.256 C. 414.128 D. 414.52
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###### Find the L.C.M. of 16, 24, 36 and 54. A. 230 B. 330 C. 432 D. 520
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###### The average of A and B is 20 years. If C were to replace A, the average would be 19 and if C were to replace B, the Average would be 21. What are the ages of A, B and C ? A. 18 years, 16 years, 20 years B. 22 years, 18 years, 20 years C. 21 years, 18 years, 12 years D. 13 years, 17 years, 24 years
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###### Two trains of equal lengths take 10 sec and 15 sec respectively to cross a telegraph post. If the length of each train be 120 m, in what time will they cross other travelling in opposite direction? A. 8 sec B. 12 sec C. 18 sec D. 20 sec
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###### A man can row at 10 kmph in still water. If it takes a total of 5 hours four him to go to a place 24 km away and return, then the speed of the water current is : A. 8 B. 6 C. 4 D. 2
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###### A box contains 5 green, 4 yellow and 3 white balls. Three balls are drawn at random. What is the probability that they are not of same colour. A. 3/44 B. 31/44 C. 41/44 D. 61/44
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