A customer came to a shop and asked the shop manager to give a 20% discount on the listed price of a pen. Moreover, for every 10 pens purchased, he wanted two pens free of cost. The manager agreed to the customer's offer because he could still make a profit of 20% on the cost price of a pen. What was the listed price of the pen?

The fee for a course was increased by x percent from that of the previous year. Arif, a meritorious student, g...

A box contains 200 pens of which 25% are red and the rest are black. You sold a certain number of pens, of whi...

In a college, the ratio of foreign to local students is 3:7. If three-fourths of the local students are female...

Apu, Babu, and Tipu bought a football. Apu paid the largest amount of money, Tipu paid twice as much as Babu,...

then which of the following is correct?

When the integer n is divided by 4, the quotient is q and the remainder is 1. But when it is divided by 7, the...