Start learning 50% faster. Sign in now
Get Started with ixamBee
Start learning 50% faster. Sign in nowIf x + (1/x) = 5 Then x2 + 1/x2= 23 and x3 + 1/x3 = 110 so x5 + 1/x5 = (x2 +1/x2) (x3 +1/x3) - (x + 1/x) x5 + 1/x5= (23 × 110) - (5) => 2530 - 5 = 2525 Formula used: If x + 1/x = a x2 +1/x2 = a²- 2 x + 1/x = a x3 +1/x3= a³ - 3a
Speed of a car is 150% more than that of a bus. Find the distance traveled by the bus in 6 hours 30 minutes if the time taken by the car to cover 960 km...
The tops of two poles of height 60 metres and 35 metres are connected by a rope. If the rope makes an angle with the horizontal whose tangent is 5/9 met...
A motor-cycle covers 90 km with a speed of 40 km/hr. find the speed of the motor-cycle for the next 90 km journey so that the average speed of the whole...
A truck travels a distance of 240 km in 8 hours. The speed of a van is 25% more than that of the truck, and the speed of a scooter is 20% more than that...
A boy goes to his school at 1/6th of the speed at which he returns from his school. Average speed during the whole trip (i.e. one round) is 36 km/h. Wha...
A 200-meter long truck is traveling at a speed of 180 km/hr, and it takes 10 seconds to cross a toll plaza. Now, if another truck, which is 180 meters s...
If a person walks 25% more than of his usual speed, reaches his distance 90 minutes before. If the destination is 495 km away, then the usual speed of a...
A boy goes to school at 12 km/Hr and return at a speed of 11 km/hr. If he takes 23 hrs in all. Find the distance from his village to school?
A Bus covers its journey at a speed of 40km/hr in 8 hours. If the same distance is to be covered in 4 hours, then by how much % will be the speed of the...