## Find angle ∠AOC

1. AB is a chord of the length of 3√2 cm and ∠ACB = 45° where ‘C’ is a point on the circle. Find the area of the circle. (a)… Read more »

1. AB is a chord of the length of 3√2 cm and ∠ACB = 45° where ‘C’ is a point on the circle. Find the area of the circle. (a)… Read more »

1.A passenger train 150 m long is travelling with a speed of 36 km/hr. If a man is cycling in the direction of train at 9 km/hr., the time taken… Read more »

1.A train 180 m long moving at the speed of 20 m/sec. over-takes a man moving at a speed of 10 m/sec in the same direction. The train passes the… Read more »

1. A train 800 metres long is running at the speed of 78 km/hr. If it crosses a tunnel in a 1 minute, then the length of the tunnel (in… Read more »

1. Solution : 2. Solution : 3. Solution : 4. Solution : 5. A train of length 200 m crosses a pole in 15 s and… Read more »

1.A bus left point X for point Y. Two hours later a car left point X for Y and arrived at Y at the same time as the bus. If… Read more »

1.A motorboat whose speed in still water is 10 km/h went 91 km downstream and then returned to its starting point. Calculate the speed of the river flow if the… Read more »

1. A train requires 7 seconds to pass a pole while it requires 25 seconds to cross a stationary train which is 378 metres long. Find the speed of the… Read more »

1.Two trains A and B start simultaneously in the opposite direction from two points A and B and arrive at their destinations 9 and 4 hours respectively after their meeting… Read more »

1.B takes 10 days less than the time taken by A to finish a piece of work. If both A and B can do it in 12 days, then the… Read more »