1.

Number log27 is :(A) Integer(B) Rational(C) Irrational(D) Prime

Answer»

Answer is (C) Irrational

log2 7 = x

7 = 2x

Taking log on both sides,

log 7 = log 2x
⇒ x log 2 = log 7

⇒ x = log7/log2 

= (0.8451)/(0.3010)

= 2.8076

= irrational number



Discussion

No Comment Found