Logarithm with Explanation
Q1. log 10 + log 100 is equal to
| A. 2 | B. 1.5 |
| C. 2.5 | D. 3 |
Q2. The value of 25 log5 6 is
| A. 5 | B. 36 |
| C. 25 | D. 6 |
Q3. If log5 8 = p, then log5 
is equal to
| A. 4p | B. 8p |
| C. (p + 1)-1 | D. -(p + 1) |
Q4. If log5 (x2 + x) - log 5 (x + 1) = 2, then the value of x is
| A. 30 | B. 25 |
| C. 10 | D. 5 |
Q5. If log9 x + log 3 x = 9, then the value of x is
| A. 27 | B. 81 |
| C. 243 | D. 729 |
Q6. (log5 5)(log4 9)(log3 2) is equal to
| A. 2 | B. 5 |
| C. 1 | D. 3 |
Q7. The value of log2 (log5 625) is
| A. 4 | B. 2 |
| C. 6 | D. 8 |
