(logb a X logc b X loga c) is equal to
0
1
abc
a+b+c
If log10 2=0.3010 and log10 7=0.8451, then the value of log10 2.8 is
0.4471
1.4471
2.4471
None of these
If 2*3 =√13 and 3*4 =5, then the value 5*12 is:
√17
√29
12
13
(log5 3)X(log3 625) equals
2
3
4
If log10 2=0.3010, then value of log10 25 is
0.6020
1.2040
1.3980
1.5050
The value of √0.121 is:
0.011
0.11
0.347
1.1
If log10 125+log10 8=X, then X is equal to
1/3
0.064
-3
If √24 = 4.899, the value of √8/3 is
0.544
1.333
1.633
2.666
If x2+y2+z2-64/xy-yz-zx=-2and x + y = 3z, then the value of z is:
If 5√5 x 53 + 5-3/2 = 5a+2, then the value of a is:
5
6
8
If log2 [log3(log2 x)]=1, then x is equal to
128
512
If ax - b, by – c and cz – a, then the value of xyz is:
1/abc
The value of (log9 27+log8 32) is
7/2
19/6
7
The value of log2(log3 625) is
10
15
√571536/42 * ?=5850
420
240
315
325
√7+√5 / √7 - √5 is equal to
6+√35
6-√35
If x = 5 + 2√6, then (x -1)/√x is equal to:
√2
2√2
√3
2√3
The value of(1/3 log10 125- 2log10 4+log10 32) is
4/5
If log10 2=0.3010, then log2 10 is equal to
699/301
1000/301
0.3010
0.6990
If log8 (X2+X)-log5(x+1)=2, then the value of x is
25
32
The square root of (7 + 3√5)(7-3√5) is:
√5
4 3√5
3√5
√00004761 equals
0.00069
0.0069
0.0609
0.069
2x x 81/5 = 21/5, then x is equal to:
1/5
-1/5
2/5
-2/5
If 3x – 3x-1 – 18, then the value of xx is:
27
216
If 3a = 4b = 6c and a + b + c = 27√29, then √a2+b2+c2 is
3√29
81
87
87878 - 7878 - 6666- 777- 33 =?
73354
75224
72534
72524
(21 .35)2 +(12.25)2 =?
171.4125
605.885
604.085
463.8125
The value of √0.16/0.4 is
0.02
0.2
0.63
If √2n = 64, then the value of n is:
If pqr = 1, the value of the expression (1/(1 + p + q-1)) + (1/(1 + q + r-1)) + (1/(1 + r + p-1)) is equal to
p + q + r
1/(p + q + r)
p-1+ q-1+ r-1