Mathematics (NTSE Stage2 (NationalLevel) ScholasticAptitude & Language Comprehension): Questions 41  47 of 112
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Question number: 41
» 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: 42
» 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: 43
» 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: 44
» 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: 45
» 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: 46
» 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: 47
» 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 
