Rehana leaves her home early in the morning so that she can reach her office on time. If she walks at the rate of 7 km/hr then she reaches her office 8 minutes late. But, if she walks at a speed of 8 km/hr, then she reaches her 4 minutes early. What is the distance in km between Rehana's house and her office?

Certain numbers of children were playing a game of football. There was a trial taking place on the field. In t...

Which of the following number is not a prefect square?

What is the radius of the in-circle of the triangle whose sides measure 5 12 and 13 units?

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In how many ways can Annie, Bushra, Camelia, Don, Elina and Frazana be seated if Annie and Bushra cannot seate...