Basic Mathematics (KVPY (Kishore Vaigyanik Protsahan Yojana) StreamSA (Class 11) Math): Questions 5  9 of 164
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Question number: 5
» Basic Mathematics » Arithmetic » Clocks
Appeared in Year: 2011
Question
A certain 12hour digital clock displays the hour and the minute of a day. Due to a defect in the clock whenever the digit 1 is supposed to be displayed it displays 7. What fraction of the day will the clock show the correct time?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 6
» Basic Mathematics » Geometry » Triangle and Properties
Appeared in Year: 2009
Question
In a right triangle ABC, the incircle touches the hypotenuse AC at D. If AD = 10 and DC = 3 and the sides AB, BC and AC are integer, the inradius of ABC is
Choices
Choice (4)  Response  

a.  4 

b.  5 

c.  2 

d.  3 

Question number: 7
» Basic Mathematics » Geometry » Advanced Therorems and Properties
Appeared in Year: 2012
Question
In the figure, AKHF, FKDE and HBCK are unit squares; AD and BF intersect in X. Then the ratio of the areas of triangles AXF and ABF is.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 8
» Basic Mathematics » Arithmetic » Ratio and Proportion
Appeared in Year: 2014
Question
The population of cattle in a farm increases so that the difference between the population in year n + 2 and that in year n is proportional to the population in year n + 1. If the populations in years 2010,2011 and 2013 were 39,60 and 123, respectively, then the population in 2012 was
Choices
Choice (4)  Response  

a.  90 

b.  84 

c.  81 

d.  87 

Question number: 9
» Basic Mathematics » Geometry » Triangle and Properties
Appeared in Year: 2012
Question
In a triangle ABC, it is known that AB = AC. Suppose D is the midpoint of AC and BD = BC = 2. Then the area of the triangle ABC, is.
Choices
Choice (4)  Response  

a. 


b. 


c.  2 

d. 

