Mathematics (NTSE Stage2 (NationalLevel) ScholasticAptitude & Language Comprehension): Questions 11  14 of 119
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Question number: 11
» Mathematics » Basic Geometry
Question
All the arcs in following diagram are semicircles. This diagram shows two paths connecting A to B. Path I is the single large semicircle and Path II consists of the chain of small semicircles.
Choices
Choice (4)  Response  

a.  Path I is shorter than Path II 

b.  Path I is of the same length as Path II, only if the number of semi circles is not more than 4


c.  Path I is of the same length as Path II 

d.  Path I is longer than path II 

Question number: 12
» Mathematics » Linear Equation
Question
There are several human beings and several dogs in a room. One tenth of the humans have lost a leg. The total numbers of feet are 77. Then the number of dogs is
Choices
Choice (4)  Response  

a.  Not determinable due to insufficient data 

b.  4 

c.  5 

d.  6 

Question number: 13
» Mathematics » Mensuration
Question
A solid metal sphere of surface area S _{1} is melted and recast into a number of smaller spheres. S _{2} is the sum of the surface areas of all the smaller spheres. Then
Choices
Choice (4)  Response  

a.  S _{1} = S _{2} only if all the smaller spheres of equal radii 

b.  S _{2} > S _{1} 

c.  S _{1} > S _{2} 

d.  S _{1} S _{2} 

Question number: 14
» Mathematics » Rational Numbers
Question
Which of the following is an irrational number?
Choices
Choice (4)  Response  

a.  23.10100100010000 …. . 

b.  41616 

c. 


d.  23.232323 
