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Mr. Hasan has few notes of TK. 10 and Tk. 50. A total of his 150 notes amount to Tk. 5,100. What is the number of each kind of note?
A book and a pen were sold for Tk 3,040 making a profit of 25% on the book and 10% on the pen. By selling them for Tk 3,070; the profit realized would have been 10% on the book and 25% on the pen. Find the cost price of each.
 If $\sqrt[3]{8x^{2}}\sqrt{32x}\sqrt{4x^{2}}$= 4,then find the value of x.
Kashem started working 2 years ago. His starting salary was $\frac{1}{2}$ of Selim’s salary at that time. Since then kashem and Selim have enjoyed annual raise of 5% and 10% respectively. Currently what percentage of Selim’s salary is Kashem’s salary?
A loss of 15% is incurred by selling a watch for Tk. 612. How much is the sum of money by which it is sold to make a profit of 10%?
During the next Tree Plantation Week, Mutual Trust Bank is considering planting trees in one of its own rectangular piece of land which is 90 feet long and 66 feet wide. This surrounded by boundary wall of 5 feet height. It has been decided that trees will be planted leaving 5 feet laud free from the wall in all four sides. It was also decided that the distance from one tree to another in \both row and column will be 4 feet. What is the maximum number of trees that can be planted in the land?
The length and width of a rectangular field are 24 metre and 12 metre respectively. If the length and width of the field is increased by 6%. What will be the percentage of increase of the area of the field?
পিতা ও বয়সের সমষ্টি ৫০ বছর। যথন পুরেোর বয়স পিতার বর্তমান বয়সের সমান হবে তখন তাদের বয়সের সমষ্টি হবে ১০২ বছর। পিতা ও পুর বর্তমান বয়স কত?
Mr. X sold 2 properties, P1. and P2 for Tk. 1,00,000 each. He sold property P1 for 20% less than what he paid for it. What is the percentage of profit of property P2 so that he is not in gain or loss, on the sale of the two properties?
A train leaves Dhaka Station at 9.00 am at the speed of 12 mph. 20 minutes later, another trains leaves Dhaka station in the same direction at 36 mph. At what time will they meet?
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