Mathematics (NTSE Stage2 (NationalLevel) ScholasticAptitude & Language Comprehension): Questions 90  96 of 112
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Question number: 90
» Mathematics » Number Systems
Question
The sum of any three distinct natural numbers arranged in ascending order is 200 such that the second number is a perfect cube. How many possible values are there for this number?
Choices
Choice (4)  Response  

a.  4 

b.  2 

c.  3 

d.  1 

Question number: 91
» Mathematics » Basic Geometry
Question
ABCD is a quadrilateral whose diagonals intersect each other at the point O such that OA = OB = OD. If ∠OAB = 30°, then the measures of ∠ODA is
Choices
Choice (4)  Response  

a.  60° 

b.  90° 

c.  45° 

d.  30° 

Question number: 92
» Mathematics » Arithmetic
Question
The value of the expression is
Choices
Choice (4)  Response  

a.  3 

b.  2 

c.  2 

d.  4 

Question number: 93
» Mathematics » Number Systems
Question
If the digits of a threedigit number are reversed, then the number, so obtained is less than the original number by 297. If the sum of the digits of the number is 8 and its hundred’s digit has the largest possible value, then the ten’s digit of the number is
Choices
Choice (4)  Response  

a.  0 

b.  1 

c.  2 

d.  3 

Question number: 94
» Mathematics » Statistics
Question
For the data 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, …, 9, 9, the product of mean and mode equals to
Choices
Choice (4)  Response  

a.  9 

b.  285 

c.  57 

d.  45 

Question number: 95
» Mathematics » Number Systems
Question
If the sum of three consecutive odd numbers is a perfect square between 200 and 400, then the root of this sum is
Choices
Choice (4)  Response  

a.  16 

b.  15 

c.  18 

d.  19 

Question number: 96
» Mathematics » Number Systems
Question
If aabb is a fourdigit number and also a perfect square, then the value of a + b is
Choices
Choice (4)  Response  

a.  9 

b.  10 

c.  12 

d.  11 
