Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 640  646 of 989
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Question 640
Question
MCQ▾If first and second sides of a right angled triangle are in the ratio 1: 2 and the square of the hypotenuse is 180 cm then the length of first and second side respectively is
Choices
Choice (4)  Response  

a.  5,10 cm  
b.  6,12 cm  
c.  12,6 cm  
d.  10,5 cm 
Question 641
Question
MCQ▾The base of an isosceles triangle is 18 cm and its perimeter 48 cm. Then its area is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 642
Question
MCQ▾In a single throw of two dice, the probability of getting a sum of 3 is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question 643
Question
MCQ▾Find the missing term in the following problem.
Choices
Choice (4)  Response  

a.  42xy  
b.  2xy  
c.  2xy  
d.  42xy 
Question 644
Question
MCQ▾is a
Choices
Choice (4)  Response  

a.  Neither positive nor negative rational number  
b.  Negative rational number  
c.  Either positive or negative rational number  
d.  Positive rational number 
Question 645
Question
MCQ▾Name the property of multiplication illustrated by
Choices
Choice (4)  Response  

a.  Associative property  
b.  Commutative property  
c.  Distributive property  
d.  All of the above 
Question 646
Question
MCQ▾The smallest positive number from the numbers below is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
