১৬১১
a, b and c positive integers. If b equals the square root of a, and if c equals the sum of a and b, which of the following could he the value of c?
উত্তর
30
১৬১২
A collection of books went on sale and 2/3 of them was sold for TK. 2.30 each. If none of the 36 remaining books were sold, what was the total amount received for the books that were sold?
উত্তর
165.6
১৬১৩
A woman says, "If you revise my own age, the figure represents my husband's age. He is, of course, senior to me and the difference between our ages is one eleventh of our sum. " What is the age of the woman?
উত্তর
45
১৬১৪
A Shopkeeper buys 100 mangoes at Tk. 12 each. He sell 60 mangoes at Tk. 17.40 each and x mangoes at Tk. 11.31 each. The Shopkeeper makes a profit of at least 10%. Find the least possible value of x.
উত্তর
25
১৬১৫
Lamia owns a hairdressing salon. She borrows Tk. 2500 from a bank to improvements to her beauty salon. She is charged 4.5% per year compound interest. She pays the money back after 3 years. Calculate the total amount Lamina must pay to the bank?
উত্তর
Tk. 2852.92
১৬১৬
A room 8 m long, 6m high and 22.5 cm thick is made up of bricks, each measuring 25 cm * 11.25cm * 6 cm. The number if bricks required is.
উত্তর
6400
১৬১৭
If the salary of an employee is reduced by 10 percent for his late attendance and then increased by 10 percent on a pardon, how much does he loss?
উত্তর
1%
1%
১৬১৮
A train 240 m long passes a pole in 24 seconds. How long will it take a pass a platform 650 m long?
উত্তর
89 sec
১৬১৯
Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?
উত্তর
5/6
১৬২০
85% of a number is added to 24, the result is the same number. Find the number?
উত্তর
160