r1blog0.802=……. A. 2.806 B. 3.806 C. 2.903 D. 1.806 E. 3.903 If log9=0.954 and log2 =0.310, then log1.8=……. A. 0.644 B. 1.264 C. 0.264 D. 2.264 E. -0.264 37.Given log40=1.602 and log30=1.477, then log403=……..

N. {-13} C. {13, -13} D.∅ E. None of them The solution set of x2-6x+5=4 is A. {(1,5)} B. {23+3} C. {3±23} D.{3-23} E. None of these 7.x2-0.4x+k is a perfect square if k=………. A. 0.4 B. 0.04 C.-0.04 D.-0.4

Wfollowing is (are) true? 1.logMlogN=logM-logN 2.log3M=3logM 3.logaM =2logaM A. 1 only B. 2 only C. 3 only D. 1 and only E. None of them 6.Which of the following is (are) true? 1. log4x=2log16x 2. logbx=3