Question
Which of the following is an equation of quadratic
equation?Solution
The equation of a quadratic equation is ax2 + bx + c = 0, where "a", "b", and "c" are constants and "x" is the variable.
- Two trucks, ‘P’ and ‘Q’, start from locations ‘U’ and ‘V’ respectively, moving towards each other at the same time. After 10 hours they mee...
Ajay and Vishal left the place ‘X’ with different speeds which are in the ratio 5:3 respectively. Ajay left the place 36 seconds after Vishal. If af...
A train traveling at 90 km/h departs from City A toward City B, located 240 km away. Simultaneously, a car leaves City B heading toward City A at a spee...
Aman takes 2 hours to bike from point 'M' to point 'N' at a speed of 25 km/h. He then increases his speed by 80% and takes 3 hours to reach point 'O' fr...
A truck travels from depot ‘D’ to warehouse ‘W’. If it moves at 80 km/h, it reaches 1 hour early. If it moves at 60 km/h, it reaches 1 hour late...
Pranav went to the bank at the speed of 60 km/h while returning for his home he covered the half of the distance at the speed of 10 km/h, but suddenly h...
Two cars X and Y start from two places A and B respectively which are 700 km apart at 9 a.m. Both the cars run at an average speed of 60 km/hr towards e...
A covers 'x' meters in 8 seconds, while B covers (x + 200) meters in 15 seconds. Also, B takes 10 seconds to cover 'x' meters. How long will it take A t...
Tarun takes 1hr 30 min in walking to a certain place and riding back. He would have gained 40 min by riding both ways. How long would he take to walk bo...
A girl walks to her college at (5/6) of her normal speed and reaches 25 minutes late. Find how long she normally takes to reach college.
