CAT Exam

Q. What is the sum of the total surface areas of all the cubes formed when a cuboid of size 5.2 m x 13 m x 39 m is cut completely into the least possible number of cubes, all of which are identical?

Option
(1) 6164 sq.m
(2) 30452 sq.m
(3) 6760 sq.m
(4) 6084 sq.m

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CAT Other Question
Q. How many three digit numbers are there such that one of the digits is the arithmetic mean of the other two?

Option
(1) 120
(2) 112
(3) 121
(4) 129 Q. A, B and C have a few chocolates among themselves. A gives to each of the other two half the number chocolates they already have. Similarly B and C (in that order) give each of the other two half the number of chocolates each of them already has. Now, if each of them has the same number of chocolates, what could be the minimum number of chocolates they have among themselves?

Option
(1) 243
(2) 81
(3) 27
(4) None of these