3i Infotech Papers: Sample Questions 25  27 of 1245
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Question number: 25
» Aptitude
Write in Short
Three cards are drawn at random from an ordinary pack of cards. Find the probability that they will consist of a king, a queen and an ace.
Explanation
Three cards are drawn at random from a pack of 52 cards.
So, probability of sample space,
We are asked to find the probability that card will be a king, a queen and an ace.
We know that there are total 4 kings, 4 queens and 4 aces in the pack of 52 cards.
So, probability of event,
So, probability of getting a king, a queen and an ace
Question number: 26
» Aptitude
Write in Short
If PQRS is a parallelogram what it the ratio of triangle PQS & parallelogram PQRS?
Explanation
PQRS is a parallelogram.
If we connect the diagonals of parallelogram then it will divide the parallelogram into two triangle of equal area.
Here, PS is one of the diagonal of parallelogram.
So, triangle PQS and triangle RQS will have equal area which will be half of the area of parallelogram PQRS.
So, ratio of area of triangle PQS and parallelogram PQRS will be
Question number: 27
» Aptitude
Question
A truck departed from Newton at 11: 53a. m and arrived in Far City, 240 miles away, at 4: 41 p. m on the same day. What was the approximate average speed of the truck on this trip?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Answer
b.Explanation
A truck departed from Newton at 11: 53 a. m and arrived in Far city, 240 miles away, at 4: 41 p. m on the same day.
So, we can say that truck has travelled 240 miles distance in minutes.
We are asked to find the speed of the truck.
So, speed of truck is 50MPH.