What percentage of the whole week does Sami spend in school except lunch time, if his school times are 8 am to 4 pm from Saturday to Thursday where as there is 1 hour to his lunch time?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
2 (25%)
বিস্তারিত ব্যাখ্যা ও বিশ্লেষণ:
Solution:
Time spend by Sami in a day = {(12 + 4) - 8} hours
= 8 hours
Except lunch time Sami spend in a day = (8 - 1) hours
= 7 hours
Percentage time spend in a week = {(7 × 6)/(7 × 24)} ×100% = 25%
