Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 65  70 of 218
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Question number: 65
» Mathematics » Trigonometry
Question
If A + B = 45°
then
is equal to
Choices
Choice (4)  Response  

a.  2 

b.  2 

c.  1 

d.  1 

Question number: 66
» Mathematics » Basic Geometry
Question
If one of the interior angles of a regular polygon is found to be times of one of the interior angles of a regular hexagon, then the number of sides of the polygon is
Choices
Choice (4)  Response  

a.  8 

b.  14 

c.  12 

d.  10 

Question number: 67
» Mathematics » Percentage
Question
A dealer buys an article listed at Rs. 100 and gets two successive discounts of 10 % and 20%. He spends 10 % of the cost price on transport etc. At what price should he sell the article to earn a profit of 15%?
Choices
Choice (4)  Response  

a.  Rs. 91.10 

b.  Rs. 91.08 

c.  Rs. 90 

d.  Rs. 91 

Question number: 68
» Mathematics » Coordinate Geometry
Question
A solid sphere of radius 6 cm is melted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm. The uniform thickness of the cylinder is
Choices
Choice (4)  Response  

a.  1.2 cm 

b.  1 cm 

c.  3 cm 

d.  1.5 cm 

Question number: 69
» Mathematics » Rational Numbers
Question
The speed of three cars is in the ratio 4: 3: 2. What is the ratio between the times taken by the cars to cover the same distance?
Choices
Choice (4)  Response  

a.  2: 3: 4 

b.  4: 3: 2 

c.  3: 4: 6 

d.  1: 2: 3 

Question number: 70
» Mathematics » Basic Geometry
Question
In the adjoining figure
P is the midpoint of AD. The area of the shaded region is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

