NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 919  925 of 1484
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Question number: 919
» Mathematics » Coordinate Geometry
Question
Find the value of k if the area of triangle formed by is 13.5 sq units
Choices
Choice (4)  Response  

a.  3 

b.  4 or 4 

c.  1 

d.  2 or 2 

Question number: 920
Question
One of the properties of Range is
Choices
Choice (4)  Response  

a.  It is not affected by greatest and least values 

b.  Difference of greatest and least values 

c.  Algebraic 

d.  Not easy to calculate 

Question number: 921
Question
A ladder of 30 m long touches the wall at height of 15 m. The angle made by it by horizontal is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 922
Question
Among 100 employees, the average salary of 99 is Rs. 100. The 100^{th} employee has the salary exceeds the average of 100 employees by Rs. 99 then average salary of all employees (in Rs. ) is
Choices
Choice (4)  Response  

a.  99.50 

b.  101 

c.  100 

d.  99 

Question number: 923
Question
From a normal pack of cards, a card is drawn at random. The probability of getting a red ace is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 924
» Mathematics » Triangles
Question
is an equilateral with side 9 cm. The perimeter of triangle formed by joining its midpoints is
Choices
Choice (4)  Response  

a.  18.5 cm 

b.  27 cm 

c.  81 cm 

d.  13.5 cm 

Question number: 925
Question
The value of is ________.
Choices
Choice (4)  Response  

a.  0 

b.  1 

c.  1 

d.  Question does not provide sufficient data or is vague 
