Question
What is the common name of Peripleneta
americana?Solution
The American cockroach (Periplaneta americana) is the largest species of common cockroach, and often considered a pest.
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5 th of the time, the speed to cover remaining distance in the ...
A bus travels from point βXβ to βYβ at a constant speed. If its speed was increased by 15 km/h, it would have taken 2 hours less to cover the di...
Two trains, A and B, are moving in opposite directions at speeds of 45 km/h and 60 km/h, respectively. The lengths of the trains are 120 meters and 150 ...
If a bicycle can cover 65 km in 10 hours while a car can cover 90 km in 5 hours then find the average speed of car.
A truck initially moving at 45 km/hr increased its speed by 9 km/hr after βwβ hours and continued for (w + 10) hours more. If...
While going to a destination after travelling 75km, the driver noticed some problem in the clutch of the train due to which he had to proceed at 2/5 of ...
A car is traveling at a speed of 144 km/hr. The car's tires have a diameter of 70 m. How long will it take for the car to complete 12 revolutions of its...
A taxi traveled from point P to point Q without stopping. It covered the first 64 km of the journey at a speed of 32 km per hour....
Ravi travels the first 40% of a certain distance at a speed of 20 km/h, the next 30% at 10 km/h, and covers the remaining 30% at 12 km/h. Calculate Ravi...
Excluding the Stoppages i.e. Non-stop, the speed of a Bullet train is 810 km/h and including the stoppages, it is 720 km/h. calculate for how many minut...