NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 384  389 of 2028
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Question number: 384
Question
A survey was carried out for the purpose of determining the number of students in each school. The results are shown in the table below. Calculate the percentage of schools which have more than 200 students.
No. of students  180  250  195  205  375  150 
Frequency  3  4  2  5  6  10 
Choices
Choice (4)  Response  

a.  50% 

b.  25% 

c.  40% 

d.  30% 

Question number: 385
» Mathematics » Direct and Inverse Proportions
Question
What number shall be added to each of the numbers 1,2, 6,8 to form the terms in a proportion?
Choices
Choice (4)  Response  

a.  4 

b.  2 

c.  3 

d.  6 

Question number: 386
» Mathematics » Visualizing Solid Shapes
Question
If and , then using Euler’s formula, the value of V, is:
Choices
Choice (4)  Response  

a.  0 

b.  1 

c.  3 

d.  2 

Question number: 387
» Mathematics » Algebraic Expressions and Identities
Question
Factorize :
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 388
» Mathematics » Visualizing Solid Shapes
Question
If and , then the value of E is (Use Euler’s formula):
Choices
Choice (4)  Response  

a.  8 

b.  10 

c.  12 

d.  4 

Question number: 389
» Mathematics » Comparing Quantities
Question
If a company sells a car with a marked price of Rs. 4,50,000 and gives a discount of 5 % on Rs. 4,00,000 and 2 % on the remaining amount of Rs. 50,000, then the actual price charged by the company for car is:
Choices
Choice (4)  Response  

a.  Rs. 

b.  Rs. 

c.  Rs. 

d.  Rs. 
