Mathematics (NTSE Stage2 (NationalLevel) ScholasticAptitude & Language Comprehension): Questions 85  89 of 119
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Question number: 85
» Mathematics » Number Systems
Question
The product of two numbers is 24 times the difference of these two numbers. If the sum of these numbers is 14, the large number is
Choices
Choice (4)  Response  

a.  6 

b.  8 

c.  10 

d.  5 

Question number: 86
» Mathematics » Statistics
Question
A card is drawn from a well shuffled pack of cards. The probability of getting a queen of club or a king of heart is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 87
» Mathematics » Quadratic Equations
Question
For what values of fc, the equation has equal roots?
Choices
Choice (4)  Response  

a.  2 and 12 

b.  6 and 4 

c.  8 and 2 

d.  10 and 4 

Question number: 88
» Mathematics » Trigonometry
Question
Three circles each of radius r units are drawn inside an equilateral triangle of side a units, such that each circle touches the other two and two sides of the triangle as shown in the figure, (P, Q and R are the Centers of the three circles). Then, relation between r and a is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 89
» Mathematics » Trigonometry
Question
Choices
Choice (4)  Response  

a.  secθ + tanθ 

b.  secθ  tanθ 

c.  cosecθ + tanθ 

d.  Question does not provide sufficient data or is vague 
