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Given,
log (3x + 1) = 2
⇒ 102 = 3x + 1
⇒ 100 = 3x + 1
⇒ 3x = 100 - 1
⇒ 3x = 99
⇒ x = 33.
Hence, Option 3 is the correct option.
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If log0.5 64 = x, then the value of x is
-4
-6
4
6
The value of 2 + log10 (0.01) is
3
1
0