Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 143  147 of 218
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1042 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
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 