IBM Company Numerical Ability Area and Volume

If a square piece is cut into 27 parts in 6 cuts and is coated with cake in all its outer surfaces than find the number of pieces without cake?

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IBM Other Question

A frog can climb a distance of 12m and then falls back by 5m. in how much time will it climb a well of 63m? If 1st Jan is a Sunday then find the number of Sundays in that year?