# siac Interview Questions

###### A hollow spherical metallic ball has an external diameter 6 cm and is ½ cm thick. The volume of metal used in the ball is : A. 46 2/3 cm³ B. 48 2/3 cm³ C. 49 2/3 cm³ D. 47 2/3 cm³
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###### ind the number, difference between number and its 3/5 is 50 A. 120 B. 125 C. 130 D. 135
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###### √0.04 x 0.4 x a = 0.4 x 0.04 x √b, then the value of a/b is ? A. 0.016 B. 1.016 C. 2.016 D. 3.016
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###### Two pipes A and B can fill a cistern in 37 1/2 minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if the pipe B is turned off after? A. 3 min B. 5 min C. 7 min D. 9 min
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###### A train 240 m in length crosses a telegraph post in 16 seconds. The speed of the train is?
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###### A boat running downstreams covers a distance of 30 kms in 2 hours. While coming back the boat takes 6 hours to cover the same distance. If the speed of the current is half that of the boat, what is the speed of that boat in kmph? A. 1 B. 10 C. 20 D. 30
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###### A man sells 4000 common shares of a Company x (each of par value Rs. 10), which pays a dividend of 40% at Rs. 30 per share. He invests the sale proceeds in ordinary shares of Company Y (each of par va A. 4000 B. 8000 C. 12000 D. 14000
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