KVPY (Kishore Vaigyanik Protsahan Yojana) StreamSA (Class 11) Math: Questions 196  202 of 265
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Question number: 196
» Trigonometry » Trigonometric Functions
Question
If and , then
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 197
» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients
Question
If where α, β are the roots of the equation then the value of c is –
Choices
Choice (4)  Response  

a.  3 

b.  2 

c.  0 

d.  4 

Question number: 198
» Basic Mathematics » Arithmetic » Number Games
Question
If, than value of x is –
Choices
Choice (4)  Response  

a.  2 

b.  3 

c. 


d. 


Question number: 199
» Basic Mathematics » Arithmetic » Number Games
Question
The least positive integer n from which is –
Choices
Choice (4)  Response  

a.  15 

b.  16 

c.  17 

d.  18 

Question number: 200
» Sequence and Series » Arithmetic Series
Question
If n is the largest natural number such that n + 2n + 3n + … + 70n is a perfect square, then the value of n is –
Choices
Choice (4)  Response  

a.  497 

b.  490 

c.  520 

d.  637 

Question number: 201
» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method
Question
A ladder 8 cm long is leading against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 2 cm/sec. How fast is its height on the wall decreasing when the foot of the ladder is 3 cm away from the wall?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 202
» Complex Numbers and Quadratic Equations » Formation of Quadratic Equations With Given Roots
Question
If α, β are the roots of then that equation whose roots are is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 
