_________ is a good conductor of heat, but a bad conductor of electricity.
The correct answer is D
The speed of ‘A’ and ‘B’ is 65 km/hr and 40 km/hr, respectively. If the distance covered by ‘A’ in ‘x&r...
A boat can travel 30 km downstream in 45 min. The ratio of the speed of the boat in still water to the speed of the stream is 5: 3. How much time will t...
A man travelled a distance of 47 km in 6 hours. He travelled panly on foot at a speed of 6(1/2) km/h and the rest on bicycle at a speed of 8(1/2)km/h. T...
The speed of a car is 25% more than that of a bike. Both of them start from a same point. After travelling for 5 hours, the speed of the bike is increas...
Pawan Express is a 300-meter-long train which moves at an average speed of 100 km/hr and crosses a platform in 27 seconds. A man crosses the same platfo...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 24 km/hr and 12 km/hr, respectively. If the distance covered by ‘Aâ...
A car running with a speed of 61 km/hr takes 20 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it tak...
A can walk a certain distance in 11 days when he rests 8 hours a day. How long will he take to walk twice the distance, twice as fast and resting twice ...
Anju's journey comprises three segments. He travels the first 'd - 30' km at a speed of 12 km/h, the next 'd' km at a speed of 30 km/h, and finally, she...
Amit covered 360 kilometers in total trip time. He covered the remaining 200 km on a bicycle at a speed that was 5 km/h slower than that of the bus afte...
