Mathematics (NTSE Stage2 (NationalLevel) ScholasticAptitude & Language Comprehension): Questions 48  55 of 119
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Question number: 48
» Mathematics » Quadratic Equations
Question
Sum of roots is 1 and sum of their reciprocal is , then equation is
Choices
Choice (4)  Response  

a.  x^{2} + x  6 = 0  
b.  x^{2}  6x + 1 = 0  
c.  6x^{2} + x + 1 = 0  
d.  x^{2}  x + 6 = 0 
Question number: 49
» Mathematics » Statistics
Question
The median of the following data is
2, 4, 6, 8, 10, 12, 14
Choices
Choice (4)  Response  

a.  8  
b.  9.5  
c.  10  
d.  6 
Question number: 50
» Mathematics » Arithmetic
Question
The total cost of 12 pens and 5 pencils is equal to Rs. 111. Also, the cost of 1 pencil is Rs. 5 less than the cost of 1 pen. What will be the cost of 8 pens and 9 pencils?
Choices
Choice (4)  Response  

a.  Rs. 91  
b.  Rs. 89  
c.  Rs. 98  
d.  Rs. 97 
Question number: 51
» Mathematics » Basic Geometry
Question
An angle is onefourth of its supplementary angle. What is the measure of the angle?
Choices
Choice (4)  Response  

a.  40°  
b.  45°  
c.  36°  
d.  52° 
Question number: 52
» Mathematics » Coordinate Geometry
Question
The distance of the point A (8,  6) from the origin is
Choices
Choice (4)  Response  

a.  10 units  
b.  5 units  
c.  7 units  
d.  12 units 
Question number: 53
» Mathematics » Statistics
Question
Ravi and Kavi starts a business by investing Rs. 8000 and Rs. 72000, respectively. The ratio of their profits at the end of year, is
Choices
Choice (4)  Response  

a.  2: 9  
b.  7: 9  
c.  1: 9  
d.  5: 9 
Question number: 54
» Mathematics » Basic Geometry
Question
Volume of a cube is . The length of its diagonal is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 55
» Mathematics » Simple Interest and Compound Interest
Question
The difference between the simple interest (SI) and compound interest (CI) for 2 years at 4 % per annum is Rs. 20. The principal will be
Choices
Choice (4)  Response  

a.  Rs. 12500  
b.  Rs. 12800  
c.  Rs. 11000  
d.  Rs. 11500 