Basic MathematicsArithmetic (KVPY StreamSA (Class 11) Math): Questions 9  12 of 83
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Question number: 9
» Basic Mathematics » Arithmetic » Rates
Appeared in Year: 2010
Question
I carried 1000 kg of watermelon in summer by train. In the beginning, the water content was 99%. By the time I reached the destination, the water content had dropped to 98%. The reduction in the weight of the watermelon was
Choices
Choice (4)  Response  

a.  500 kg 

b.  50 kg 

c.  10 kg 

d.  100 kg 

Question number: 10
» Basic Mathematics » Arithmetic » Ratio and Proportion
Appeared in Year: 2013
Question
A person X is running around a circular track completing one round every 40 seconds. Another person Y running in the opposite direction meets X every 15 second. The time, expressed in seconds, taken by Y to complete one round is
Choices
Choice (4)  Response  

a.  55 

b.  12.5 

c.  25 

d.  24 

Question number: 11
» Basic Mathematics » Arithmetic » Number Games
Appeared in Year: 2014
Question
Suppose a_{2}, a_{3}, a_{4}, a_{5}, a_{6}, a_{7} are integers such that
Where for j = 2, 4, 5, 6, 7. The sum is,
Choices
Choice (4)  Response  

a.  9 

b.  10 

c.  8 

d.  11 

Question number: 12
» Basic Mathematics » Arithmetic » Number Games
Appeared in Year: 2010
Write in Short
Leela and Madan pooled their music CD’s and sold them. They got as many rupees for each CD as the total number of CD’s they sold. They share the money as follows Leela first takes 10 rupees, then Madan takes 10 rupees and they continue taking 10 rupees alternately till Madan is left out with less than 10 rupees to take. Find the amount that is left out for Madan at the end, with justification.