Mathematics (NSTSE (National Science Talent Search Exam Unified Council) Class 10): Questions 16  23 of 973
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Question number: 16
» Mathematics » Trigonometry
Question
The top of a broken tree has its top end touching the ground at a distance 15m from the bottom, the angle made by broken end with the ground is. Then length of broken part
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 17
» Mathematics » Trigonometry
Question
If and then
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Choice (4)  Response  

a.  0 

b. 


c. 


d. 


Question number: 18
» Mathematics » Trigonometry
Question
If then
Choices
Choice (4)  Response  

a. 


b.  0 

c. 


d.  Question does not provide sufficient data or is vague 

Question number: 19
» Mathematics » Trigonometry
Question
In
Choices
Choice (4)  Response  

a.  1 

b. 


c. 


d. 


Question number: 20
» Mathematics » Trigonometry
Question
The value of
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 21
» Mathematics » Real Numbers
Question
The sum of additive inverse and multiplicative inverse of 3 is
Choices
Choice (4)  Response  

a.   3 

b.  2 

c.  0 

d.   1 

Question number: 22
» Mathematics » Real Numbers
Question
If be the rational numbers such the andthen________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 23
» Mathematics » Real Numbers
Question
The sum of 2 rational and irrational number is always
Choices
Choice (4)  Response  

a.  Irrational 

b.  Rational 

c.  All of the above 

d.  Question does not provide sufficient data or is vague 
