Voltages and currents for AC circuits are generally expressed as rms (root mean square) values. For a sine wave, the relationship between the peak and the rms average is: rms value = 0.707 peak value.
Train A whose length is 180m is crosses a man standing in the bridge in 4.5 seconds. Train B whose length is165 m, is running at a speed of 63 km/hr and...
Mahesh covered a distance of 350 km in 5 hours on a bike. How much distance will he cover on a bicycle in 3 hours if he rides the bicycle at (2/5) the s...
If Lalitha leaves home and drives to her school at a speed of 45kmph, she reaches 5 minutes later than when she drives at 60kmph speed. Find the distanc...
In a 1500 m race, Anil beats Sunil by 150m, and in the same race, Sunil beats Charles by 75 m. By what distance does Anil beat Charles?
Determine the distance covered by the dog in 2 hours and 30 minutes if the dog's speed is 15 km/h faster than the cow's. The time it takes for the cow t...
The speed of a bike increases by 4 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 20 km, the find the total distance tra...
A policeman saw a thief from a distance of 450 m. When the policeman started chasing him, the thief also started running. The ratio of speeds of the th...
A motor car travels a distance of 100 km at the speed of 20 kmph. If it covers the next 140 km of its journey at the speed of 70 kmph and last 60 km of ...
A, B, and C run around a Circular track starting from the same point simultaneously and in the same direction at 12 km/h, 24 km/h, and 36 km/h respectiv...
Train B crosses Train A, which is approaching from the opposite direction, in 28 seconds. If the combined length of Train A and Train B is 2240 meters, ...