A trader marks his goods at 20% above the cost price . If he allows a discount of 5% for his down payment, his profit percent for such a transaction is -

If a =

Some money is divided amongst three workers A ,B and C such that 5 times A's share is equal to 12 times B's sh...

At simple interest of 5% , 6% and 8% for three consecutive years, the interest earned is TK. 760. Find the pri...

If the compound interest of a certain sum of money for two successive years be TK. 225 and Tk. 238.50 . What i...

A bag cotains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability t...

A word consists of 9 letters; 5 consonants and 4 vowels. There letters are chosen at random. What is the proba...