NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 617  624 of 1732
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Question number: 617
» Mathematics » Comparing Quantities
Question
A positive number is by mistake divided by 5 instead of being multiplied by 5. What is the % error (approximately)?
Choices
Choice (4)  Response  

a.  87%  
b.  96%  
c.  89%  
d.  97% 
Question number: 618
» Mathematics » Algebraic Expressions
Question
To get the value of b, ________ is to be divided on either side of equation (method of elimination).
Choices
Choice (4)  Response  

a.  0  
b.  5  
c.  60  
d.  7 
Question number: 619
» Mathematics » Perimeter and Area
Question
In a parallelogram ABCD, diagonal AC measures 51 m and the perpendicular distance of AC from either of the vertices B and D is 24 m. Find the area of parallelogram.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 620
» Mathematics » Integers
Question
Positive of a negative integer is
Choices
Choice (4)  Response  

a.  Zero  
b.  Negative  
c.  Positive  
d.  None of the above 
Question number: 621
» Mathematics » Integers
Question
The + ve integer whose product with 1 is
Choices
Choice (4)  Response  

a.  0  
b.  Positive  
c.  Negative  
d.  None of the above 
Question number: 622
» Mathematics » Comparing Quantities
Question
A number P exceeds Q by 40%. By what percent is P more than Q?
Choices
Choice (4)  Response  

a.  40%  
b.  30%  
c.  28.6%  
d.  20.5% 
Question number: 623
» Mathematics » Integers
Question
Multiplication is distributed over ________ and ________ in integer.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 624
» Mathematics » Perimeter and Area
Question
The area of a triangular field is 3 hectares. If its altitude is 600 m, find the corresponding base.
Choices
Choice (4)  Response  

a.  100 cm  
b.  50 m  
c.  100 m  
d.  None of the above 