Question

For her mobile phone service Divya pays 145rs per month and 75p for each extra min. she talks over the allowded number of min. in the monthly plan. She received a bill of 175rs last month. How many extra min. did she use her phone beyond the allowded time.

Please answer with solution!!!!

Answer 1

40 minutes. She received hand bill of 175rs which (175-145)=30rs extra more than normal. She has to pay 75p for each minute extra. So the amount of extra minute 30rs/75p or 30*100/75 = 3000/75 = 40.