Jane, Karim and Leo checked out books from the library. Jane has an even number of library books . Karim has 3 more library books than Jane . Leo has 2 more library books than Karim. Which statement is true about the number of library books Karim and Leo have ?

The number of bacteria in a colony was growing exponentially . At 1 pm yesterday the number of bacteria was 10...

As labor costs, an electrician charges TK. 36.50 per hour for himself and TK. 27.50 per hour for his assistant...

Harun wants to buy a dress priced at TK. 89.75. If the sales tax is 8% , what is the total amount he must pay...

A book sells for Tk. 65. This price gives the seller a profit of 30% on his cost. what would be the new sellin...

At a simple interest rate of 10% per year , how many years will it take for a principle amount of Tk. 500 to e...

একটি ক্লাসে ১৬ জন ছাত্রের গড় ওজন ৫০ কেজি এবং অবশিষ্ট ৪ জন ছেলের গড় ওজন ৪০ কেজি। ক্লাসের সকল ছেলের গড় ওজন কত?