Basic MathematicsArithmetic (KVPY StreamSA (Class 11) Math): Questions 69  72 of 83
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Question number: 69
» Basic Mathematics » Arithmetic » Rates
Question
Given area four cylindrical buckets A, B, C, D whose circular bases are of radii 2, 4, 6, 8 units, respectively. Initially water is filled in these buckets up to the same height. Some water is then transferred from D to A and B so that they all three have the same volume of water. Some water is then transferred between C and B so that they both have the same volume of water. If, denote the heights of water at this stage in the buckets A, B respectively, then the ratio equals –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 70
» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method
Question
15 men can complete a work in 6 days and 15 children take 12 days to complete a work. How many days will 5 men and 10 children take to complete the work?
Choices
Choice (4)  Response  

a.  12 

b.  9 

c.  8 

d.  10 

Question number: 71
» Basic Mathematics » Arithmetic » Ratio and Proportion
Question
When a bucket is onethirds full, the weight of the bucket and the water is 15 kg. When the bucket is twothirds full, the total weight is 18 kg. What is the total weight, in kg, when the bucket is completely full?
Choices
Choice (4)  Response  

a.  15 kg 

b.  17 kg 

c.  19 kg 

d.  21 kg 

Question number: 72
» 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. 

