Question
Two trains approach each other at 23 kmph and 26 kmph
from 2 places 245 km apart. After how many hours they will meet?Solution
Distance = 245 km Speed of train 1 = 23 km/hr Speed of train 2 = 26 km/hr Relative speed = 23 + 26 = 49 km/hr Therefore, speed = distance/time ⇒ 49 = 245/Time ⇒ Time = 245/49 = 5 hrs
Which of the following is not a positional number system?
Which software is used to create presentations?
Which of the following map is also known as chorographical map?
What type of memory stores data in a swap file on a hard drive?
Which shortcut is used to switch to the next workbook in Excel?
What does the abbreviation "RAM" stand for?
Which memory type has the fastest access time?
Which device is used to reproduce drawings using pens that are attached to movable arms?Â
Which one of the following represents the binary equivalent of the decimal number 25 ?
Which of the following is NOT a valid IP address format?