NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 550  557 of 2028
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Question number: 550
» Mathematics » Playing with Numbers
Question
The least number of 4 digits which is exactly divisible by 13 is:
Choices
Choice (4)  Response  

a.  1,052 

b.  1,039 

c.  1,032 

d.  1,001 

Question number: 551
» Mathematics » Exponents and Powers
Question
The value of
Choices
Choice (4)  Response  

a. 


b. 


c.  6 

d.  All of the above 

Question number: 552
» Mathematics » Direct and Inverse Proportions
Question
The price of 279 mangoes is Rs. 1185.75. What will be the approximate price of 28 dozens of such mangoes?
Choices
Choice (4)  Response  

a.  1512 Rs. 

b.  1428 Rs. 

c.  2436 Rs. 

d.  2371.5 Rs. 

Question number: 553
» Mathematics » Direct and Inverse Proportions
Question
If the price of 12 watches is Rs. 2707.2, what will be the approximate price of 9 watches?
Choices
Choice (4)  Response  

a.  2352 

b.  2000 

c.  1895 

d.  2030 

Question number: 554
» Mathematics » Comparing Quantities
Question
A merchant buys a 50 liter cask of wine for Rs. 8250 and sells it at Rs. 185 per liter. His loss or gain percent is:
Choices
Choice (4)  Response  

a.  % gain 

b.  12 % loss 

c.  % loss 

d.  % gain 

Question number: 555
» Mathematics » Algebraic Expressions and Identities
Question
The value of at and is:
Choices
Choice (4)  Response  

a.  3 

b.  18 

c.  26 

d.  43 

Question number: 556
» Mathematics » Direct and Inverse Proportions
Question
On a scale of map, 0.5 cm represents 5.5 km. If the distance between the points on the map is 70.5 cm, the actual distance between these points is:
Choices
Choice (4)  Response  

a.  180.75 km 

b.  10 km 

c.  775.5 km 

d.  62.5 km 

Question number: 557
» Mathematics » Algebraic Expressions and Identities
Question
The product of two factors with like signs is ________.
Choices
Choice (4)  Response  

a.  Cannot be determined 

b.  Positive 

c.  Negative 

d.  None of the above 
