3. A book cost Rs 96 and Mahesh bought 60 such books. By mistake, the accountant at the store made the bill by taking the cost of each book to be 5 less. What is the difference in this bill from what it would have been? 4. Every floor of a 104 story skyscraper is 4m high. If a balloon rises 3m every second. How long will it take to rise from the 36th floor to the 96th floor?
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Answer:
3.5460 RS.
Step-by-step explanation:
reduce 5 from 96i.e. 91 and multiply by 60 you will get the answer
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you use oxford book for math?