MathematicsStatistics (NTSE Stage2 (NationalLevel) ScholasticAptitude & Language Comprehension): Questions 1  7 of 12
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Question number: 1
» Mathematics » Statistics
Question
Median of a data set is a number which has an equal number of observations below and above it. The median of the data 1,9, 4,3, 7,6, 8,8, 12,15 is
Choices
Choice (4)  Response  

a.  7.5 

b.  8 

c.  7 

d.  any number between 7 and 8 

Question number: 2
» Mathematics » Statistics
Question
The mode, median, mean and range of the following observations are
45,84,21,77,56,84,39,54,56,39,54,56
Choices
Choice (4)  Response  

a.  56,58,60 and 58 

b.  56,55,55.42,63 

c.  65,55,36 and 52 

d.  Question does not provide sufficient data or is vague 

Question number: 3
» Mathematics » Statistics
Question
A card is drawn at random from a pack of 52 playing cards. The probability that drawn card being a red king is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 4
» Mathematics » Statistics
Question
The median of the following data is
2,4, 6,8, 10,12,14
Choices
Choice (4)  Response  

a.  8 

b.  9.5 

c.  10 

d.  6 

Question number: 5
» Mathematics » Statistics
Question
Ravi and Kavi starts a business by investing Rs. 8000 and Rs. 72000, respectively. The ratio of their profits at the end of year, is
Choices
Choice (4)  Response  

a.  2: 9 

b.  7: 9 

c.  1: 9 

d.  5: 9 

Question number: 6
» Mathematics » Statistics
Question
A person buys a book for Rs. 500 and sells it for Rs. 300. His loss percent is
Choices
Choice (4)  Response  

a.  45% 

b.  40% 

c.  35% 

d.  30% 

Question number: 7
» Mathematics » Statistics
Question
A lady reaches her office 20 min late by travelling at a speed of 20 km/h and reaches 15 min early by travelling at 30 km/h. By how much time will she be early or late, if she travels at 25 km/h?
Choices
Choice (4)  Response  

a.  5 min late 

b.  1 min late 

c.  1 min early 

d.  5 min early 
