Infosys Company Logical Reasoning Cryptography

Find the digits X,Y,Z
X X X X
Y Y Y Y +
Z Z Z Z
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Y X X X Z
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Read Solution (Total 7)

Infosys Other Question

Four tourists A,B,C,D and four languages English, German, French and Italian.
They are not able to converse among themselves in one language. Though A does not
know English he can act as an interpreter between B and C. No one spoke both
French and German. A knows German and was able to converse with D who doesn?t
know a word in German. Only one language was spoken by more than two persons.
Each spoke two languages. Find who spoke what.
A person says that their speed while going to a city was 10mph however while
returning as there is no much traffic they came with a speed of 15mph. what is their
average speed?