Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 80  84 of 224
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Question number: 80
» 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 

Question number: 81
» Mathematics » Statistics
Question
The mean of a set of number is x. If each number is divided by 3, then the new mean is
Choices
Choice (4)  Response  

a. 


b.  x 

c.  3x 

d.  x + 3 

Question number: 82
» Mathematics » Basic Geometry
Question
In figure , if and , then find the value of x.
Choices
Choice (4)  Response  

a.  36° 

b.  96° 

c.  48° 

d.  Question does not provide sufficient data or is vague 

Question number: 83
» Mathematics » Basic Geometry
Question
In the given figure PT touches the circle with center O at R. Diameter SQ when produced meet PT at P. If ⦟SPR = x and ⦟QSR = y, then x + 2y is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 84
» Mathematics » Basic Geometry
Question
In the given figure and . The values of x, y, z and t are, respectively
Choices
Choice (4)  Response  

a.  60,75,75,60 

b.  60,70,60,70 

c.  50,75,75,65 

d.  60,60,70,70 
