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On a planet oz there are 8 days apart from sunday to saturday, 8th day is oz day.Compared to earth where clock crosses each digit on clock twice, there are 36 hrs in day ,90 min in hour, 60 seconds in minute.Find the angle between clock hands on 11:40

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TCS Other Question

A class photograph has to be taken.the first row consists of 6 girls who are sitting.20 boys are standing behind.The two comer position are reserved for the two tallest boy.In how many ways can the students be arranged?
(A)18!*720 (B)6!*1440 (C)18!*2!*1440 (D)18!*1440 (E)none of these
A cube of size 5cm and thickness 1cm is painted on four sides.
This cube is made up of smaller cubes of size 1cm.How many faces of smaller cubes are unpainted.