NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 676  682 of 2028
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Question number: 676
» Mathematics » Direct and Inverse Proportions
Question
If the cost of “x” meters of wire is ‘d’ rupees, then what is the cost of “y” meters of wire at the same rate?
Choices
Choice (4)  Response  

a.  Rs. 

b.  Rs. 

c.  Rs. 

d.  Rs. 

Question number: 677
Question
If and , then is:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 678
Question
The edge of a cube is 10 cm. How many small cubes of 5 cm edge can be formed from this cube?
Choices
Choice (4)  Response  

a.  8 

b.  4 

c.  5 

d.  6 

Question number: 679
» Mathematics » Comparing Quantities
Question
A pair of articles was bought for Rs. 35.70 at a discount of 15%. What must be the marked price of each of the articles?
Choices
Choice (4)  Response  

a.  19 Rs. 

b.  18 Rs. 

c.  25 Rs. 

d.  21 Rs. 

Question number: 680
Question
The real factors of are:
Choices
Choice (4)  Response  

a. 


b.  Does not exist 

c. 


d.  Question does not provide sufficient data or is vague 

Question number: 681
» Mathematics » Playing with Numbers
Question
A number is always divisible by 56 if:
Choices
Choice (4)  Response  

a.  It is divisible by both 7 and 8 

b.  It is divisible by both 2 and 28 

c.  It is divisible by both 4 and 14 

d.  All a. , b. and c. are correct 

Question number: 682
Question
If the radii of two concentric circles are 16 cm and 12 cm respectively, then the area of the circulating ring in sq cm will be:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

