NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 928  936 of 2000
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Passage
A car is going on a long journey for 16 hours, starting at 5  00 hrs. The speed of the car at different hours is given below.
Time (in hrs. )  Speed (in kmph) 
5 7 9 11 13 17 15 19 21  30 50 60 70 55 85 60 80 65 
Read the above table and answer the questions
Question number: 928 (2 of 4 Based on Passage) Show Passage
Question
Average speed of the car during 7.00,9.00 hrs. is
Choices
Choice (4)  Response  

a.  60 

b.  55 

c.  50 

d.  45 

Question number: 929 (3 of 4 Based on Passage) Show Passage
Question
What is the percentage of decrease in speed during 17.00 hrs. and 21.00 hrs. ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 930 (4 of 4 Based on Passage) Show Passage
Question
What is the percentage increase in speed during 15.00 hrs. and 19.00 hrs. ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 931
» Mathematics » Surface Areas & Volumes
Question
The ratio of the volume and surface area of a sphere of unit radius
Choices
Choice (4)  Response  

a.  1: 3 

b.  3: 4 

c.  3: 1 

d.  4: 3 

Question number: 932
» Biology » Fundamentals Unit of Life
Question
Cells after formation never carrying out mitosis is
Choices
Choice (4)  Response  

a.  Somatic Cells 

b.  Meristematic cells 

c.  Germinal Epithelium 

d.  Neurons 

Question number: 933
» Mathematics » Number Systems
Question
The values of x are such that . Then which of the following interval is true?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 934
» Mathematics » Number Systems
Question
The number is
Choices
Choice (4)  Response  

a.  Irrational 

b.  Rational 

c.  Question does not provide sufficient data or is vague 

d.  None of the above 

Question number: 935
» Mathematics » Number Systems
Question
The greatest among the following is
I.
II.
III.
IV.
Choices
Choice (4)  Response  

a.  III 

b.  II 

c.  IV 

d.  I 

Question number: 936
Question
Two chimneys 49 m and 29 m high stand upright in a ground. If their feet are 21 m apart, then the distance between their tops is
Choices
Choice (4)  Response  

a.  29 m 

b.  61 m 

c.  20 m 

d.  59 m 
