NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension: Questions 871  875 of 1058
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Question number: 871
» Mathematics » Quadratic Equations
Question
If and are the roots of the equation, then an equation whose roots are and is
Choices
Choice (4)  Response  

a.  ax^{2} bx + c = 0 

b.  cx^{2}+ ax + b = 0 

c.  bx^{2} + ax + c = 0 

d.  cx^{2}+ bx + a = 0 

Question number: 872
» Physics » Magnetism & Electricity at Work
Question
The permanent magnet is made from which one of the following substances?
Choices
Choice (4)  Response  

a.  Ferromagnetic 

b.  Paramagnetic 

c.  Diamagnetic 

d.  Electromagnetic 

Question number: 873
» History » Introduction and Sources of Ancient Indian History
Question
The three tribal principalities mentioned in Ashokan inscriptions of the 3^{rd} century BC and in Kharavela inscription of the first century BC
Choices
Choice (4)  Response  

a.  Ikshvakus, Vakatakas and Pandyas 

b.  Cholas, Pandyas and Cheras 

c.  Pallavas, Cholas and Pandyas 

d.  Vakatakas, Cholas and Satvahans 

Question number: 874
» Mathematics » Basic Geometry
Question
S_{1}and S_{2} are two circles on a plane with radius 4 cm and 2 cm, respectively and the distance between their centers is 3 cm. Which one of the following statements is true?
Choices
Choice (4)  Response  

a.  S_{1} andS_{2} touch each other internally 

b.  S_{1}and S_{2}intersect in two distinct points 

c.  S_{2}lies entirely within the circle S_{1} 

d.  S_{1} and S_{2} touch each other externally 

Question number: 875
» Chemistry » Structure of Atom
Question
Dry ice used to preserve food using noncyclic refrigeration is the solid form of
Choices
Choice (4)  Response  

a.  CO_{2} 

b.  CO 

c.  NO_{2} 

d.  N_{2} 
