Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 380  386 of 989
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Question 380
Question
MCQ▾Two adjacent sides of a parallelogram are 12 cm and 9 cm. One of its diagonals is 15 cm. Then the area of parallelogram is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 381
Question
MCQ▾If then ________.
Choices
Choice (4)  Response  

a.  19  
b.  15  
c.  21  
d.  All of the above 
Question 382
Question
MCQ▾Two sides of an isosceles triangle are 4 cm and 8 cm. Then the length of third side is
Choices
Choice (4)  Response  

a.  4 cm  
b.  8 cm  
c.  12 cm  
d.  All of the above 
Question 383
Question
MCQ▾If both ‘a’ and ‘b’ are rational numbers then ‘a’ and ‘b’ from the following are
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 384
Question
MCQ▾If x: Every fraction is a rational number and y: Every rational number is a fraction, then which of the following is correct?
Choices
Choice (4)  Response  

a.  x is True and y is False  
b.  x is False and y is True  
c.  Question does not provide sufficient data or is vague  
d.  None of the above 
Question 385
Question
MCQ▾A card is drawn from a packet of 120 cards numbered 1 to 120. The probability of drawing a number which is a square is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 386
Question
MCQ▾Which of the following is not a rational number?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
