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?

(-5)(4)(2) (-1/2) (3/4) = ?

There are 8 books on a shelf, of which 2 are paperbacks and 6 are hardbacks. how many possible selections of 4...

When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, wh...

Of the fruits that arrive at the cannery, 20 percent by weight is rejected before processing. Of the fruit tha...

If x percent of 40 is y, Then 10x equals :

The average of 50 numbers is 38. If two numbers namely 45 and 55 are discarded, the average of the remaining n...