18. If (43)(49)(4°)(42) ... (434) =(0.0625) -54 (d) none (0) 1 the value of xis (a) 7 (b) 8

If (4^3)(4^6)(4^9)(4^(12))(4^(3x))=(0. 0625)^(-54) , the value of x is (a)27 (b) 28 (c) 29 (d) 30

If (4^(3))(4^(6))(4^(9))(4^(12))(4^(3x))=(0.0625)^(-54) the value of x is 7(b) 8(c) 9 (d) 10

find the value of log_(2^(-1)) ( 0.0625)

Find x, If 8^(x-2) xx (1/2)^(4-3x) = (0.0625)^(x)

sqrt((.0196)/(?))=0.2( a) 0.49( b) 0.7(c)4.9(d) None of these

The value of sqrt((0.16)/(0.4)) is (a) 0.02(b)0.2(c)0.63 (d) None of these

(4335)/(4(?)24)-:1(7)/(8)=(289)/(528)(a)1(b)2(c)8(d) None of these

0.012-:1.5=?0.8(b)0.080.008(d) none of these

If A = [[x,1,-x],[0,1,-1],[x,0,7]] and det (A) = |(3,0,1),(2,-1,0),(0,6,7)| , then the value of x is a)-3 b)3 c)2 d)-8