NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 537  543 of 2000
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Question number: 537
Question
The mean of 774,776,778,780 and 782 is
Choices
Choice (4)  Response  

a.  774  
b.  782  
c.  776  
d.  778 
Question number: 538
Question
A card is drawn from a packet of 70 cards numbered 1 to 70. The probability of drawing a number which is a square is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 539
» Mathematics » Number Systems
Question
Which of the following alternatives is wrong? Given that
(I) Difference of two rational numbers is a rational number
(II) Subtraction is commutative on rational numbers
(III) Addition is not commutative on rational numbers
Choices
Choice (4)  Response  

a.  (I) and (III)  
b.  (I) only  
c.  (II) and (III)  
d.  Question does not provide sufficient data or is vague 
Question number: 540
Question
In a if , , then perimeter of the triangle is
Choices
Choice (4)  Response  

a.  73 cm  
b.  54 cm  
c.  61 cm  
d.  None of the above 
Question number: 541
Question
If a coin is tossed twice, the probability of getting at least one tail is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 542
Question
If is divided by 17 then the remainder is
Choices
Choice (4)  Response  

a.  2  
b.  1  
c.  0  
d.  1 
Question number: 543
» Mathematics » Heron's Formula
Question
The area of a triangle whose sides are 12,13 and 15 cm.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
