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Aptitude · Q498

Number System

Competitive Exams · Aptitude · question 498

Q498

If 6*43 - 46@9 = 1904, which of the following should come in place of * ?

A.
4
B.
6
C.
9
D.
Cannot be determined
E.
None of these
Answer

Answer: Option E

Solution

Answer: Option E
Solution:
Let 6x43 - 46y9 = 1904
Clearly, y = 3 and x = 5
Hence * must be replaced by 5
Number System mcq solution image