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Q1
:
Given that 10
0.48
=
x
, 10
0.70
=
y
and
x
z
=
y
2
, then the value of
z
is close to:
A
3.7
B
1.45
C
2.9
D
1.88
Solution
ANS:
C
- 2.9
x
z
=
y
2
10
(0.48
z
)
= 10
(2 x 0.70)
= 10
1.40
0.48
z
= 1.40
z
=
140
=
35
= 2.9 (approx.)
48
12
Share :
10(0.48z) = 10(2 x 0.70) = 101.40
0.48z = 1.40
z =
