NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 74  80 of 2028
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Question number: 74
» Mathematics » Linear Equations in One Variable
Question
A boat goes downstream and covers the distance between two parts in 6 hrs while it covers the same distance upstream in 7 hrs. If the speed of the stream is 3 kmph, the speed of the boat in still water is:
Choices
Choice (4)  Response  

a.  20 kmph 

b.  26 kmph 

c.  18 kmph 

d.  32 kmph 

Question number: 75
» Mathematics » Rational Numbers
Question
The average of the middle two rational numbers if are arranged in ascending order is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 76
» Mathematics » Rational Numbers
Question
If , then ________.
Choices
Choice (4)  Response  

a.  20 

b.  20 

c.  20 

d.  All of the above 

Question number: 77
» Mathematics » Understanding Quadrilaterals
Question
In a square PQRS, the diagonals bisect at “O”. Then triangle POQ is:
Choices
Choice (4)  Response  

a.  An isosceles right angled triangle 

b.  An isosceles but not a right angled triangle 

c.  A right angle but not an isosceles triangle 

d.  An equilateral triangle 

Question number: 78
» Mathematics » Linear Equations in One Variable
Question
The value of x for which open sentence is true.
Choices
Choice (4)  Response  

a.  3 

b.  2 

c.  5 

d.  1 

Question number: 79
» Mathematics » Rational Numbers
Question
If , then ________.
Choices
Choice (4)  Response  

a.  49 

b.  49 

c.  49 

d.  Question does not provide sufficient data or is vague 

Question number: 80
» Mathematics » Understanding Quadrilaterals
Question
The perimeter of a parallelogram is 60 cm. One side exceeds another by 2 cm. The sides of the parallelogram are:
Choices
Choice (4)  Response  

a.  54 cm, 56 cm 

b.  14 cm, 16 cm 

c.  16 cm, 18 cm 

d.  22 cm, 24 cm 
