Basic Mathematics (KVPY (Kishore Vaigyanik Protsahan Yojana) StreamSA (Class 11) Math): Questions 142  144 of 164
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Question number: 142
» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method
Appeared in Year: 2013
Question
A person is running around a circular track completing one round every 50 seconds. Another person running in the opposite direction meets every 20 second. The time, expressed in seconds, taken by to complete one round is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 143
» Basic Mathematics » Arithmetic » Number Games
Question
Let be three non – negative integers such that . The maximum possible value of is – (Model Paper)
Choices
Choice (4)  Response  

a.  39 

b.  40 

c.  29 

d.  16 

Question number: 144
» Basic Mathematics » Geometry » Circle and Properties
Question
In the figure given below, PQRSTU is a regular hexagon of side length , and are squares. Then the ratio equals
(Model paper)
Choices
Choice (4)  Response  

a. 


b.  2 

c. 


d. 

