NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 784  790 of 2028
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Question number: 784
» Mathematics » Direct and Inverse Proportions
Question
What number shall be added to each of the numbers 2,6, 11,24 to form the terms in a proportion?
Choices
Choice (4)  Response  

a.  2 

b.  7 

c.  3 

d.  1 

Question number: 785
» Mathematics » Comparing Quantities
Question
In what time will a sum of Rs. 1600 at 10 % p. a. CI amounts to Rs. 1936?
Choices
Choice (4)  Response  

a.  5 year 

b.  2 year 

c.  1 year 

d.  4 year 

Question number: 786
Question
From the frequency table the percentage of companies with more than 50 employees is Find the value of ‘x’.
No. of Employees  50  75  30  55  67 
No. of Companies  13  12  11  29  34 
Choices
Choice (4)  Response  

a.  88 

b.  29 

c.  75 

d.  46 

Question number: 787
» Mathematics » Direct and Inverse Proportions
Question
A flagstaff 12.5 m high casts a shaded length of 35.25 m. The height of the building casts a shadow of length 26.25 m under similar conditions will be:
Choices
Choice (4)  Response  

a.  9.31 m 

b.  16.9 m 

c.  12.5 m 

d.  13.5 m 

Question number: 788
» Mathematics » Square and Square Roots
Question
Which of the following is a Pythagorean triplet?
Choices
Choice (4)  Response  

a.  (6,8, 10) 

b.  (3,4, 8) 

c.  (5,11,13) 

d.  All of the above 

Question number: 789
Question
can be factorized as:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 790
» Mathematics » Exponents and Powers
Question
The solution of is
Choices
Choice (4)  Response  

a.  3 

b. 


c.  2 

d. 

