Question

Which one of the following rational no.s is a non terminating decimal expansion:

(a)33/50

(b)66/180

(c)6/15

(d)41/1000

Answer 1

The required "option b) $\dfrac{66}{180}$" is correct.

Step-by-step explanation:

Check options:

a) $\dfrac{33}{50}$

=0.66, terminating decimal

b) $\dfrac{66}{180}$

=0.3666......., non terminating decimal

c) $\dfrac{6}{15}$

=0.4, terminating decimal

d) $\dfrac{41}{1000}$

=0.041, terminating decimal

Hence, the required "option b) $\dfrac{66}{180}$" is correct.

Answer 2

Answer:

option b is correct.

Step-by-step explanation:

66/180= 0.366666......