If x = 5 + 2√6, then (x -1)/√x is equal to:
√2
2√2
√3
2√3
If log 2=0.30103, the number of digits in 246 is
18
19
20
21
If log 2=0.30103, the number of digits in 450 is
30
31
100
200
87878 - 7878 - 6666- 777- 33 =?
73354
75224
72534
72524
None of these
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)
1
p-1+ q-1+ r-1
The value of(1/3 log10 125- 2log10 4+log10 32) is
0
4/5
2
√53824=?
202
232
242
332
(log5 5)(log4 9) (log3 2) is equal to
3/2
5
√7921 *51+374 = (?)3
16
15
(13)3+73/(13)2+72-? =20
6
91
If √24 = 4.899, the value of √8/3 is
0.544
1.333
1.633
2.666
If 2*3 =√13 and 3*4 =5, then the value 5*12 is:
√17
√29
12
13
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
If (√3)5 x 92 = 3n x 3√3, then the value of n is:
3
4
If log 2=0.3010 and log 3=0.4771, then value of log5 512 is
2.870
2.967
3.876
3.912
If log2 [log3(log2 x)]=1, then x is equal to
128
512
√7+√5 / √7 - √5 is equal to
6+√35
6-√35
The values of the numbers 22004 and 52004 are written one after another. How many digits are there in all
4008
2003
2004
The value of log2(log3 625) is
10
If 2n – 1 + 2n + 1 = 320, then n is equal to:
8
7
√00004761 equals
0.00069
0.0069
0.0609
0.069
If a + b + c = 13, a2 + b2 + c2 = 69, then find ab + bc + ca.
-50
50
69
75
If 3a = 4b = 6c and a + b + c = 27√29, then √a2+b2+c2 is
3√29
81
87
[log(a2/bc)+log(b2/ac)+log(c2/ab)] is equal to
abc
The value of log(-1/3) 81 is equal to
-27
-4
27
The value of (log9 27+log8 32) is
7/2
19/6
If √2n = 64, then the value of n is:
(log5 3)X(log3 625) equals
If x2-1/x+1=4, x=?
Cannot be determined