41. (2n+4 -2.2n)/(2.2n+3) = 2-3 is equal to:
a. 2n+1
b. -2n+1 + 1/8
c. 9/8 - 2n
d. 1
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42.
|
|
If x =
3 + 22, then the value of
|
|
(x
|
-
|
1
|
)
|
is:
|
|
x
|
|
|
|
43.
Simplify: (i) (81)3/4 (ii)
(1/64)-5/6 (iii) (256)-1/4
View Answer With Explanation
|
44. If 7(x - y) = 343 and 7(x + y) =
16807, what is the value of x?
|
|
A. 4
|
B. 3
|
|
C. 2
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D. 1
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|
45.
|
If 5a= 3125,
then the value of 5(a-3) is
|
|
|
A. 25
|
B. 125
|
|
|
|
C. 625
|
D. 1625
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|
View Answer With Explanation
|
46.
|
If √2 n, then the value of n is
|
|
|
A. 2
|
B. 4
|
|
|
|
C. 6
|
D. 12
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|
View Answer With Explanation
|
47.
|
(256)0.16 x (256)0.09 =
?
|
|
|
|
A.
|
4
|
|
|
B.
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16
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|
|
C.
|
64
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|
|
D.
|
256.25
|
|
48.
|
|
If
|
(
|
a
|
)
|
x - 1
|
=
|
(
|
b
|
)
|
x - 3
|
, then the value
of x is:
|
|
b
|
a
|
|
|
|
49.
The value of 51/4 * (125)0.25 is:
a. √5
b.5√5
c.5
d.25
View Answer With Explanation
50.The value of (√8)1/3 is:
a.2
b. 4
c. 2
d. 8
View Answer With Explanation