NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 441  446 of 2028
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Question number: 441
» Mathematics » Comparing Quantities
Question
A sum lent at CI amounts in 2 years to Rs. 325.75 and in 3 years to Rs. 290. Find the rate of interest.
Choices
Choice (4)  Response  

a. 


b.  10.97% 

c.  11% 

d. 


Question number: 442
» Mathematics » Understanding Quadrilaterals
Question
In a rhombus ABCD, diagonal AC and BD intersect at E. If BE = 5 cm then BD = ________.
Choices
Choice (4)  Response  

a.  24 cm 

b.  32 cm 

c.  10 cm 

d.  12 cm 

Question number: 443
Question
The table shows the distribution of marks in Mathematics test. Grade A is given to marks ranging from 75 to 100. Calculate the percentage of pupils who obtained a grade A.
Marks  Frequency 
30  44  10 
45  59  3 
60  74  17 
75  89  8 
90  100  12 
Choices
Choice (4)  Response  

a.  59% 

b.  35% 

c.  20% 

d.  40% 

Question number: 444
» Mathematics » Comparing Quantities
Question
The CI on Rs. 4000 for 1 year at 5 % p. a. payable halfyearly is:
Choices
Choice (4)  Response  

a.  Rs. 200 

b.  Rs. 202.5 

c.  Rs. 400 

d.  Rs. 402.5 

Question number: 445
» Mathematics » Algebraic Expressions and Identities
Question
The product of two factors with unlike signs is ________.
Choices
Choice (4)  Response  

a.  Positive 

b.  Cannot be determined 

c.  Negative 

d.  None of the above 

Question number: 446
» Mathematics » Direct and Inverse Proportions
Question
A man completes of a job in 9 days. At this rate, how many more days will it takes him to finish the job?
Choices
Choice (4)  Response  

a.  15 

b.  6 

c.  9 

d.  12 
