Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 20  24 of 218
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Question number: 20
» Mathematics » Statistics
Question
In a bag containing 5 red, 4 black and 6 orange balls and a ball is selected at random, what is the probability of getting a nonred ball?
Choices
Choice (4)  Response  

a.  1/5 

b.  1/3 

c.  4/15 

d.  Question does not provide sufficient data or is vague 

Question number: 21
» Mathematics » Basic Geometry
Question
In a circle of radius 17 cm, two parallel chords are drawn on opposite side of a diameter. The distance between the chords is 23 cm. If the length of one chord is 16 cm, then the length of the other is
Choices
Choice (4)  Response  

a.  23 cm 

b.  30 cm 

c.  34 cm 

d.  15 cm 

Question number: 22
» Mathematics » Coordinate Geometry
Question
In the figure given below, ABCD is a quadrilateral in which AB is the longest side and CD is the shortest side, then
Choices
Choice (4)  Response  

a.  C > A and B > D 

b.  C < A and D < B 

c.  C > A and D > B 

d.  C < A and D = B 

Question number: 23
» Mathematics » Coordinate Geometry
Question
If ABCD is a rhombus, then AB ^{2} + BC ^{2} + CD ^{2} + AD ^{2} is equal to
Choices
Choice (4)  Response  

a.  AD ^{2} + BC ^{2} 

b.  AO ^{2} + OC ^{2} 

c.  AC ^{2} + BD ^{2} 

d.  None of the above 

Question number: 24
» Mathematics » Trigonometry
Question
If and , then is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 
