Basic MathematicsArithmetic (KVPY (Kishore Vaigyanik Protsahan Yojana) StreamSA (Class 11) Math): Questions 5  8 of 83
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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 » 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: 7
» Basic Mathematics » Arithmetic » Rates
Appeared in Year: 2012
Question
Two workers A and B are engaged to do a piece of work. Working alone, A takes 8 hours more to complete the work than if both worked together. On the other hand, working alone, B would need hours more to complete the work than if both worked together. How much time would they take to complete the job working together?
Choices
Choice (4)  Response  

a.  6 Hours 

b.  4 Hours 

c.  7 Hours 

d.  5 Hours 

Question number: 8
» Basic Mathematics » Arithmetic » Rates
Appeared in Year: 2012
Question
When a bucket is half full, the weight of the bucket and the water is 10 kg. When the bucket is two  thirds full, the total weight is 11kg. What is the total weight, in kg, when the bucket is completely full.
Choices
Choice (4)  Response  

a. 


b.  13 

c.  12 

d. 

