If log10 125+log10 8=X, then X is equal to
1/3
0.064
-3
3
The value of log(-1/3) 81 is equal to
-27
-4
27
If √24 = 4.899, the value of √8/3 is
0.544
1.333
1.633
2.666
If log10 5+ log10 (5x+1)= log10 (x+5)+1, then x is equal to
1
5
10
If 5√5 x 53 + 5-3/2 = 5a+2, then the value of a is:
4
6
8
(log5 3)X(log3 625) equals
2
2x x 81/5 = 21/5, then x is equal to:
1/5
-1/5
2/5
-2/5
If √2n = 64, then the value of n is:
12
(log5 5)(log4 9) (log3 2) is equal to
3/2
87878 - 7878 - 6666- 777- 33 =?
73354
75224
72534
72524
None of these
If (√3)5 x 92 = 3n x 3√3, then the value of n is:
If 2*3 =√13 and 3*4 =5, then the value 5*12 is:
√17
√29
13
(21 .35)2 +(12.25)2 =?
171.4125
605.885
604.085
463.8125
The value of(1/3 log10 125- 2log10 4+log10 32) is
0
4/5
If 3a = 4b = 6c and a + b + c = 27√29, then √a2+b2+c2 is
3√29
81
87
The value of √0.16/0.4 is
0.02
0.2
0.63
The square root of (7 + 3√5)(7-3√5) is:
√5
4 3√5
3√5
The value of (log9 27+log8 32) is
7/2
19/6
7
If log 2=0.30103, the number of digits in 246 is
18
19
20
21
(logb a X logc b X loga c) is equal to
abc
a+b+c
If 2n – 1 + 2n + 1 = 320, then n is equal to:
If log10 2=0.3010, then log2 10 is equal to
699/301
1000/301
0.3010
0.6990
√00004761 equals
0.00069
0.0069
0.0609
0.069
If 2x = 3√32, then x is equal to :
3/5
5/3
If log8 (X2+X)-log5(x+1)=2, then the value of x is
25
32
If a + b + c = 13, a2 + b2 + c2 = 69, then find ab + bc + ca.
-50
50
69
75
If x = 5 + 2√6, then (x -1)/√x is equal to:
√2
2√2
√3
2√3
√7+√5 / √7 - √5 is equal to
6+√35
6-√35
If log 2=0.30103, the number of digits in 450 is
30
31
100
200
If x2-1/x+1=4, x=?
Cannot be determined