Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 143  147 of 218
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Question number: 143
» Mathematics » Quadratic Equations
Question
If and are the roots of the equation , then is equal to
Choices
Choice (4)  Response  

a. 


b.  a 2 + a 4) 2 

c. 


d.  All of the above 

Question number: 144
» Mathematics » Basic Geometry
Question
The ratio of an interior angle to the exterior angle of a regular polygon is 5: 1. The number of sides of polygon is
Choices
Choice (4)  Response  

a.  12 

b.  10 

c.  14 

d.  11 

Question number: 145
» Mathematics » Linear Equation
Question
A and B each have a certain number of mangoes. A says to B, “If you give 30 of your mangoes, I will have twice as many as left with you. ” B replies “If you give me 10, I will have thrice as many as left with you”. How many mangoes did A has?
Choices
Choice (4)  Response  

a.  32 

b.  41 

c.  62 

d.  34 

Question number: 146
» Mathematics » Arithmetic
Question
Ravi and Sneh working separately can finish a job in 8 and 12 h, respectively. If they work for an hour alternatively, then Ravi beginning at 9: 00 am. When will the job be finished?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 147
» Mathematics » Basic Geometry
Question
In the adjoining figure, a smaller circle touches a larger circle internally and passes through the center O of the latter. If the area of the smaller circle is 200 cm ^{2}, the area of the larger circle in cm ^{2 } is
Choices
Choice (4)  Response  

a.  200 

b.  400 

c.  800 

d.  600 
