২০০৮২
At a selling price of Tk. 275 a book yield 25% profit. What selling price will yield the profit of 10%?
উত্তর
242
২০০৮৩
If the side of a square decreases by 30%, then the area of the square decreases by:
উত্তর
51%
২০০৮৫
City B is 4 miles east of City A. City C is 3 miles north of City B. City D is 8 miles east of City C and City E is 6 miles north of City D. What is the distance from City A to City E?
উত্তর
15 miles
২০০৮৬
Mr. Rahim purchased one lot of shares (50 shares per lot) of company X for Tk. 5000 and sold 3/5th of it after its value doubled. He sold the remaining shares at a price 3 times higher than the original purchase price. What was his total profit?
উত্তর
Tk. 7000
২০০৮৭
There are 8 books on a shelf, of which 2 are paperbacks and 6 are hardbacks. how many possible selections of 4 books form this shelf include at least 1 paperback book?
উত্তর
55
২০০৮৮
When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land on the same side each time?
উত্তর
1/4
২০০৮৯
Of the fruits that arrive at the cannery, 20 percent by weight is rejected before processing. Of the fruit that is processed, 15 percent by weight is rejected before canning. Of the fruit that arrives at the cannery. what percent by weight is canned?
উত্তর
68%