Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 88  92 of 218
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Question number: 88
» Mathematics » Percentage
Question
What should the seller marked the price of a watch purchased at Rs. 380, so that giving 5 % discounts, there is a profit of 25%
Choices
Choice (4)  Response  

a.  Rs. 450 

b.  Rs. 500 

c.  Rs. 600 

d.  Rs. 400 

Question number: 89
» Mathematics » Trigonometry
Question
If , then the value of is
Choices
Choice (4)  Response  

a.  1 

b.  1 

c.  2 

d.  2 

Question number: 90
» Mathematics » Mensuration
Question
The four corners are quadrants of circle and at the center there is a circle. The area of shaded region in the given figure is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 91
» Mathematics » Trigonometry
Question
The angle of elevation of a cloud at a height h above the level of water in a lake is and the angle of depression of its image in the lake is . Then, the height of the cloud above the surface of the lake is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 92
» Mathematics » Trigonometry
Question
The triangle formed by joining the vertices (3, 2), (5,  3) and ( 5, 4) will be a
Choices
Choice (4)  Response  

a.  isosceles triangle 

b.  right angled triangle 

c.  obtuse triangle 

d.  acute triangle 
