NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 1093  1100 of 2028
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Question number: 1093
» Mathematics » Algebraic Expressions and Identities
Question
What must be added to to get ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 1094
» Mathematics » Algebraic Expressions and Identities
Question
The difference of the degrees of the polynomials and is:
Choices
Choice (4)  Response  

a.  2 

b.  3 

c.  4 

d.  1 

Question number: 1095
» Mathematics » Direct and Inverse Proportions
Question
A man completes of a job in 12 days. At this rate, how many more days will it takes him to finish the job?
Choices
Choice (4)  Response  

a.  13 

b.  8 

c.  18 

d.  10 

Question number: 1096
» Mathematics » Exponents and Powers
Question
The value of is:
Choices
Choice (4)  Response  

a. 


b.  49 

c. 


d.  49 

Question number: 1097
» Mathematics » Direct and Inverse Proportions
Question
The average age of three boys is 30 years and their ages are in the ratio 2: 5: 8. The age of the youngest boy is:
Choices
Choice (4)  Response  

a.  48 years 

b.  30 years 

c.  12 years 

d.  15 years 

Question number: 1098
Question
What change in percent is made in the area of a rectangle by decreasing its length and increasing its breadth by 8%?
Choices
Choice (4)  Response  

a.  0.08 % increase 

b.  1.64 % decrease 

c.  0.64 % increase 

d.  0.64 % decrease 

Question number: 1099
» Mathematics » Exponents and Powers
Question
The value of is
Choices
Choice (4)  Response  

a. 


b.  729 

c.  81 

d. 


Question number: 1100
» Mathematics » Algebraic Expressions and Identities
Question
The product of and is equal to the quotient obtained when is divided by ________.
Choices
Choice (4)  Response  

a.  0 

b.  x 

c. 


d.  1 
