Question
Which of the following is an example of Personal
Digital Assistants?Solution
Personal Digital Assistants (called PDAs, or handhelds), sometimes known as organisers or electronic datebooks, are pocket computers with features for personal organisation. Today, almost all PDAs are smartphones.
Raj travels a certain distance at a certain speed in a certain time. However, if he had decreased his speed by 12 km/h, he would ...
A motorcyclist travels the first half of his trip at a speed of 4x km/h and the second half at a speed of 4x – 10 km/h. If his ...
A person travels at the speeds of 18kmph, 24kmph, and 12kmph on the surface of an equilateral triangle and the ground. Find the average speed of the ent...
A man travelled a total distance of 300 km. He travelled first 100 km on car with a speed of 20 km/h and rest of the distance on bike whose speed is 10 ...
A is cycling at an average speed of 10 km/hr such that he can reach a certain point at 12 noon. If he cycles at 15 km/hr, then he will reach the destina...
The average speed of a car, a bus and a train together is 117 km/hr. andn ratio of their speed is 2 :4: 7. What is the average speed of a train and the ...
A Bike has to cover a distance of 120 km in 15 hours. If it covers half of the journey in 3/5th of the time, the speed to cover the remaining distance i...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 27 km/hr and 9 km/hr, respectively. If the dis...
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...
Anshul lives on 16th floor and Keshav lives on 49th floor. Anshul goes up at a rate of 28 floors per minute and Keshav comes down at a rate of 38 floo...
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