If Tk. 6,300 was invested in a share when the price per share was Tk. 9 and additional Tk. 4200 was invested in the same share when the price per share was Tk. 10, what was the average price per share?

When a certain number is divided by 7, the remainder is zero. If the remainder is not zero when that number is...

Zaman lives 4 k.m. due west of Parul's house. Abul lives 6 k.m. due north of parul's house and 4 k.m. due west...

Bobby, an office secretary, typed 6 letters, each of which had either 1 or 2 pages. If Bobby typed 10 pages in...

Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 gra...

One of a circular pie has been served. If the rest of the pie is divided into n equal servings, then each of t...

In a certain country, a person is born every 5 seconds and a person dies every 13 seconds, Therefore the birth...