Logical and Analytical ReasoningPuzzle Test (NCO Cyber Olympiad (SOF) Class 9): Questions 9  10 of 10
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Question number: 9
» Logical and Analytical Reasoning » Puzzle Test
Appeared in Year: 2011
Question
Observe the following notations:
The time taken by two running trains for crossing each other is calculated by dividing the sum of the lengths of two trains by the total speed of the two trains. If the length of first train is , the length of second train is , the speed of first train is , and the speed of the second train is , which of the following expressions would represent the time taken?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 10
» Logical and Analytical Reasoning » Puzzle Test
Appeared in Year: 2011
Question
Dilip’s positions from the left in a row of students are and Jagdish’s position is from the right. Both of them interchange their positions and jagdish becomes from the right. How many students are there in the row?
Choices
Choice (4)  Response  

a.  44 

b.  42 

c.  32 

d.  33 
