Byju's Answer
Other
Quantitative Aptitude
Base Systems
1929×19-27=?
Question
(
19
)
29
×
(
19
)
−
27
=
?
A
6
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B
361
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C
19
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D
6859
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E
None of these
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Solution
The correct option is
A
361
Here,
(
19
)
29
×
(
19
)
−
27
[
∵
a
m
×
a
n
=
a
m
+
n
]
=
(
19
)
29
−
27
=
(
19
)
2
=
361
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