Behs kan

R + log𝑦 B. log𝑥𝑛 = n log𝑥 C. log101=0
D.log𝑥𝑥=1 E.log𝑥𝑦= log𝑥-log𝑦

1. Which of the following 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 log𝑏3𝑥 3. log416= log164
      A. 1only B. 2 only C. 3 only D. 1 and 2 only E. 1 and 3 only
2. 101+log103=……..
   A.3 B.30 C. 310 D.103 E.15
   8.4log23=……..
   A.3 B.-6 C.9 D.12 E.15
3. log35× log2527=………….
   A.32 B.23 C.527 D.325 E. 5×27
   10.If x=log𝑏𝑎,y=log𝑐𝑏,z=log𝑎𝑐, then xyz=…………
   A. 0 B. 1 C.-1 D. abc E. a+b+c
4. If log2=a, then =…….
   A.𝑎2 B.2.5a C.1+a D.1-a E.12𝑎
   12.If log2=a, log3=b, then log144=………….
   A. 𝑎4𝑏2 B.4a+2b C.8ab D. 𝑎2𝑏2 E. None of them
5. 3+log25=……..
   A.log240 B.log24 C.log2150 D. log215 E.log260
6. log0.01=………
   A. 2 B. -2 C.12 D.−12 E.0
7. log240+log20.1+log20.25=……….
   A. 0 B. 1 C.2 D. 3 E.4
8. log222=………
   A. 23 B.1 C.112 D.−32 E.−23
9. log𝑥−22𝑥2−10𝑥+13 = 1; x=?
   A.-3 B.−52 C. 52 D. 25 E. 3 or52
10. If log2=m , then log85 =………