A mobile battery in 1 hour charges to 20 percent.How much time (in minute) will it require more to charge to 50 percent.	Choose the correct choice from the following options
A) 145
B) 150
C) 175
D) 160
E) 130
1 hr =20 percent.Thus 15 min=5 percent .Now to charge 50 percent 150 min.Answer:150
<result>B</result>
A mobile battery in 1 hour charges to 20 percent.How much time (in minute) will it require more to charge to 50 percent.