NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 868  873 of 1732
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Question number: 868
Question
The mean of 8 observations is 34. If one observation, namely 13 is deleted, the new mean is
Choices
Choice (4)  Response  

a.  42 

b.  35 

c.  58 

d.  37 

Question number: 869
Question number: 870
Question
The daily sale of water (in liters) in a shop for six days is as follows:
15,20,22,36,50 and 25
The average daily sale is
Choices
Choice (4)  Response  

a.  47 

b.  22 

c.  32 

d.  28 

Question number: 871
Question number: 872
Question
The average weight of sample of 12 apples is 60 g. Later it was found that the weighing machine had shown the weight of each apple 10 g less. The correct average weight of an apple is
Choices
Choice (4)  Response  

a.  70 g 

b.  60 g 

c.  55 g 

d.  50 g 

Question number: 873
» Mathematics » Perimeter and Area
Question
The length and breadth of a rectangular hall are 0.8 m and 60 cm respectively. The distance between two opposite corners of the hall is
Choices
Choice (4)  Response  

a.  14.85 cm 

b.  100 m 

c.  14.85 m 

d.  100 cm 
