KVPY StreamSA (Class 11) Math: Questions 228  233 of 265
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Question number: 228
» Sets, Relations and Functions » Functions and Composition
Question
How many positive real numbers x satisfy the equation,
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  4 

d.  6 

Question number: 229
» Trigonometry » Trigonometric Functions
Question
Simplification of is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 230
» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method
Question
15 men can complete a work in 6 days and 15 children take 12 days to complete a work. How many days will 5 men and 10 children take to complete the work?
Choices
Choice (4)  Response  

a.  12 

b.  9 

c.  8 

d.  10 

Question number: 231
» Complex Numbers and Quadratic Equations » Formation of Quadratic Equations With Given Roots
Question
Let and , where p and q are positive integers. Suppose and. If the coefficient of the highest degree term of k (x) is 1, the sum of the roots of is –
Choices
Choice (4)  Response  

a.  22 

b.  9 

c.  10 

d.  27 

Question number: 232
» Basic Mathematics » Algebra » Solutions to Equations
Question
Roots of equation: are –
Choices
Choice (4)  Response  

a.  7, 6 

b.  5, 3 

c.  7, 4 

d.  7, 6 

Question number: 233
» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients
Question
Let α be a root of the equation. The value of is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

