Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 551  559 of 989
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Question 551
Question
MCQ▾In a quadrilateral the sides are 8,15,13,18 units and the angle between first sides is a right angle. The area of quadrilateral is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 552
Question
MCQ▾equals
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 553
Question
MCQ▾A bag contains 6 blue and 9 black balls. If a ball is drawn at random, the probability that the drawn ball to blue is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 554
Question
MCQ▾The value of x from
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question 555
Question
MCQ▾The mean of 15 numbers is 35. If 5 is added to each of the first five numbers, then the mean of the new set of 15 numbers is
Choices
Choice (4)  Response  

a.  30  
b.  45.51  
c.  36.67  
d.  37 
Question 556
Question
MCQ▾If and , then the value of is:
Choices
Choice (4)  Response  

a.  704  
b.  407  
c.  470  
d.  308 
Question 557
Question
MCQ▾The sides of a triangle are 22 cm, 30 cm and 32 cm. The altitude to largest side is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  cm  
d. 

Question 558
Question
MCQ▾The rational number between and is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question 559
Question
MCQ▾In the following figure if AB = AC then find .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
