MathematicsRatio and Proportion (NSTSE (National Level Science Talent Search Examination) Class 6): Questions 17  24 of 102
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Question number: 17
» Mathematics » Ratio and Proportion
Question
The length and width of a tape are 3 m and 15 cm. Find their ratio.
Choices
Choice (4)  Response  

a.  1: 20 

b.  2: 15 

c.  20: 1 

d.  All of the above 

Question number: 18
» Mathematics » Ratio and Proportion
Question
Ratio of 25 kg and 5000 g is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 19
» Mathematics » Ratio and Proportion
Question
If then the correct statement is
Choices
Choice (4)  Response  

a.  wx = yz 

b.  wy = xz 

c.  xy = wz 

d.  wxy = z 

Question number: 20
» Mathematics » Ratio and Proportion
Question
A tank of petroleum of a bike is full with 4 liters petrol. If 350 ml is burned while travelling then find the ratio of burned petrol and remaining petrol.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 21
» Mathematics » Ratio and Proportion
Question
36: 18: : c: 9 value of c is
Choices
Choice (4)  Response  

a.  18 

b.  9 

c.  27 

d.  15 

Question number: 22
» Mathematics » Ratio and Proportion
Question
In a computer lab, total numbers of computers are 30 from which 12 are not working well. Find the ratio of well working computers to total number of computers.
Choices
Choice (4)  Response  

a.  5: 3 

b.  5: 6 

c.  6: 5 

d.  3: 5 

Question number: 23
» Mathematics » Ratio and Proportion
Question
Are they in proportion 15: 5 and 18: 9?
Choices
Choice (4)  Response  

a.  Yes 

b.  No 

c.  Sometimes 

d.  None of the above 

Question number: 24
» Mathematics » Ratio and Proportion
Question
The given ratio is , then if we divide both antecedent and consequent by 2. Then the now ratio is
Choices
Choice (4)  Response  

a.  7: 13 

b.  14: 13 

c.  13: 14 

d.  13: 7 
