log2 x If 4 (A) - 8 log2 y 6 log2 z Зk and xyz = 1, then k is (B) - 4 1 (C) log2 (D) log2 1 256 16
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Your Question :
Find the value of 30% of 50 .
Required AnsweR :
\begin{gathered}\\ \longrightarrow\sf{ \dfrac{30}{100}\times 50}\end{gathered}
⟶
100
30
×50
\begin{gathered}\\ \longrightarrow\sf{ \dfrac{1500}{100}}\end{gathered}
⟶
100
1500
\begin{gathered}\\ \longrightarrow\sf{ 15}\end{gathered}
⟶15
30% of 50 is 15 .
hope it helps you .
Answered by
1
Answer
Correct option is
C
5
Use the properties:
log
a
(m)
n
=nlog
a
m and log
a
a=1
Consider, log
2
log
2
log
4
256+2log
2
2
=log
2
log
2
log
4
(4)
4
+2log
2
(
2
)
2
=log
2
log
2
4+2(2)
=log
2
log
2
(2)
2
+4
=log
2
2+4
=1+4=5.
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