A bus and a car covered a distance of 60 kilometers. The speed of the bus is 10 km faster than the car and arrived 2 hours earlier. What is the speed of the car?

What is the side of a square whose area is 64 square units?

What is the side of a square whose area is 144 square units?

A train covers a distance of 90 kilometers. If its speed becomes 15 kph more it would take 30 minutes less for the whole trip. What is the ideal speed of the train?

The sum of a positive number and its square is equal to 6. What is the number?

The sum of a negative number and its square is equal to 42. What is the number?

The sum of a positive number and its square is equal to 12. What is the number?

Ana went to a party, which is 120 kilometers from her home. On her way home, she drove 10km/hr slower because of a road construction which took her 2 hours longer. How fast did she drive on her way to the party?

The sum of a negative number and its square is equal to 6. What is the number?

What is the side of a square whose area is 121 square units?