KVPY StreamSA (Class 11) Math: Questions 237  239 of 265
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Question number: 237
» Statistics and Probability » Mean, Median and Mode
Question
In a city, the total income of all people with salary below Rs. 5000 per annum is less than the total income of all people with salary above Rs. 15000 per annum. If the salaries of people in the first group increases by 10 % and the salaries of people in the second group decreases by 10 % then the average income of all people – (Model Paper)
Choices
Choice (4)  Response  

a.  Increases 

b.  Remains the same 

c.  Decreases 

d.  Cannot be determined from the data. 

Question number: 238
» 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: 239
» 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. 

