The simple interest on Rs. 20 for 6 months at the rate of 5 paise per rupeeper month is  Choose the correct choice from the following choices.
A) 1.2
B) 1.4
C) 6
D) 7
E) none

Rationale: "sol . s . i . = rs . [ 20 * 5 / 100 * 6 ] = rs . 6 answer c"
Answer: C