MathematicsRational Numbers (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 6  10 of 13
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Question number: 6
» Mathematics » Rational Numbers
Question
The speed of three cars is in the ratio 4: 3: 2. What is the ratio between the times taken by the cars to cover the same distance?
Choices
Choice (4)  Response  

a.  2: 3: 4  
b.  4: 3: 2  
c.  3: 4: 6  
d.  1: 2: 3 
Question number: 7
» Mathematics » Rational Numbers
Question
2 men undertake to do a job for Rs. 1400. One can do it alone in 7 days and the other in 8 days. With the assistance of a boy they finish the work in 3 days. How should the money be divided?
Choices
Choice (4)  Response  

a.  Rs. 550, Rs. 500, Rs. 350  
b.  Rs. 600, Rs. 525, Rs. 275  
c.  Rs. 650, Rs. 470, Rs. 280  
d.  None of the above 
Question number: 8
» Mathematics » Rational Numbers
Question
A sum of Rs. 53 is divided among A, B and C in such a way that A gets Rs. 7 more than what B gets and B gets Rs. 8 more than what C gets the ratio of their shares is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 9
» Mathematics » Rational Numbers
Question
7 men and 8 boys can do a piece of work in 2 days. 4 men and 12 boys can do 29/56 of the same work in 1 day. In how many days will 1 man do this work?
Choices
Choice (4)  Response  

a.  25 days  
b.  24 days  
c.  27 days  
d.  28 days 
Question number: 10
» Mathematics » Rational Numbers
Question
20 L of a mixture contains milk and water in the ratio 5: 3. If 4 L of this mixture are replaced by 4 L of milk, the ratio of milk to water in the new mixture will become
Choices
Choice (4)  Response  

a.  9: 7  
b.  8: 3  
c.  4: 6  
d.  7 : 3 