NDA (National Defence Academy) Mathematics: Questions 270  276 of 384
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Question number: 270
» Trigonometry » Trigonometrical Ratios
Question
The angle of elevation of the tip of a flag staff from a point due south of its base is . What is the height of the flagstaff corrects to the nearest meter.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 271
» Algebra » Operations on Sets
Question
If and are two sets, then what is equal to?
Choices
Choice (4)  Response  

a. 


b.  {1,3, 4,5} 

c.  {1,3, 4} 

d.  {1,5, 6,7} 

Question number: 272
» Trigonometry » Trigonometric Identities Sum and Difference Formulae
Appeared in Year: 2012
Question
What is equal to?
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  1/2 

d.  1/3 

Question number: 273
» Algebra » Arithmetic Progression
Question
Let be in where Let be in where and then, What is the value of
Choices
Choice (4)  Response  

a. 


b. 


c.  0 

d.  Cannot be determined 

Question number: 274
» Statistics and Probability » Elementary Theorems on Probability
Appeared in Year: 2012
Question
What is the probability that a leap year selected at random contains 53 Monday?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 275
» Differential Calculus » Standard Limits
Appeared in Year: 2012
Question
What is the slop of the tangent to the curve at
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  1 

Question number: 276
» Vector Algebra » Vector Product and Cross Product of Two Vectors
Appeared in Year: 2012
Question
If
Choices
Choice (4)  Response  

a.  24 

b.  20 

c.  12 

d.  16 
