২৬৮৫১
At a photocopy center , the first 10 copies cost x taka each. Each of the next 50 copies costs 2 taka less per copy. From the 61 st copy on, the cost 1 Taka per copy, In terms of x how much does it cost in. Taka to have 200 copies made/
উত্তর
10x+240
২৬৮৫৪
In the figure below,if the area of the square OPQR is 2, find the area of the with centre O.
উত্তর
2π
২৬৮৫৫
If p = 35, q = 79 and r = 57, then which of the following is the largest value?
উত্তর
q
২৬৮৫৬
The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25% , then the value of x is:
উত্তর
16
২৬৮৫৮
A rectangular fish tank 25'' by 9'' has water in it to a level of 2". This water is carefully poured into a cylindrical with a diameter of 10". How high (in term of π) will the water reach in the cylindrical container?
উত্তর
18/π
২৬৮৬০
At what profit percent must an article be sold so that by selling at half that price , there may be a loss of 30%?
উত্তর
40%