Mathematics (NSTSE (National Science Talent Search Exam Unified Council) Class 6): Questions 781  789 of 1162
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Question number: 781
» Mathematics » Understanding Elementary Shapes
Question
As shown in below figure, interior angle is and exterior angle is is given, then angle X is?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 782
» Mathematics » Playing With Numbers
Question
The HCF of 15,20 and 30 is
Choices
Choice (4)  Response  

a.  5 

b.  20 

c.  15 

d.  10 

Question number: 783
» Mathematics » Fractions
Question
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 784
» Mathematics » Integers
Question
If positive sign precedes a bracket the sign of the terms inside the bracket will ________when the bracket is removed.
Choices
Choice (4)  Response  

a.  0 

b.  no change 

c.  change 

d.  None of the above 

Question number: 785
» Mathematics » Playing With Numbers
Question
The LCM of two numbers is X and their HCF is Y. So, the sum of two numbers is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 786
» Mathematics » Integers
Question
Simplified value of
Choices
Choice (4)  Response  

a. 


b. 


c.  4 

d.  Question does not provide sufficient data or is vague 

Question number: 787
» Mathematics » Playing With Numbers
Question
The number of prime numbers between 2 and 15 are
Choices
Choice (4)  Response  

a.  5 

b.  4 

c.  3 

d.  6 

Question number: 788
» Mathematics » Integers
Question
The addition of identity element
Choices
Choice (4)  Response  

a.  1 

b.  a 

c.  1 

d.  0 

Question number: 789
» Mathematics » Whole Numbers
Question
Predecessor of natural number 2
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  Does not exist 

d.  4 
