NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 798  802 of 2028
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Question number: 798
» Mathematics » Comparing Quantities
Question
A merchant buys a 30 liter cask of wine for Rs. 5100 and sells it at Rs. 190 per liter. His loss or gain percent is:
Choices
Choice (4)  Response  

a.  11 % loss 

b.  % gain 

c.  % loss 

d.  % gain 

Question number: 799
» Mathematics » Direct and Inverse Proportions
Question
On a scale of map, 0.6 cm represents 4.5 km. If the distance between the points on the map is 45.5 cm, the actual distance between these points is:
Choices
Choice (4)  Response  

a.  290.75 km 

b.  341.25 km 

c.  450.5 km 

d.  15 km 

Question number: 800
Question
A wire bent in the form of a circle of radius 28 cm is cut and again bent in the form of a square. The ratio of the regions enclosed by the circle and the square in the two cases is given by
Choices
Choice (4)  Response  

a.  11: 7 

b. 


c.  7: 11 

d. 


Question number: 801
Question
A survey was carried out for the purpose of determining the number of children in each family. The results are shown in the table below. Calculate the percentage of families which have more than 2 children.
No. of children  0  1  2  3  4 
Frequency  2  6  7  4  1 
Choices
Choice (4)  Response  

a.  20% 

b.  50% 

c.  25% 

d.  40% 

Question number: 802
Question
The sides of a triangle are 6 cm, 5 cm, 9 cm. The altitude to largest side is:
Choices
Choice (4)  Response  

a.  cm 

b.  cm 

c.  20 cm 

d.  cm 
