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

The sum of a negative 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 6. What is the number?

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

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?

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 144 square units?

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?

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