MathematicsStatistics (NTSE Stage2 (NationalLevel) ScholasticAptitude & Language Comprehension): Questions 8  14 of 14
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Question number: 8
» Mathematics » Statistics
Question
Ram’s income is 20 % more than that of Shyam. By how much percent is Shyam’s income is less than that of Ram?
Choices
Choice (4)  Response  

a.  16 2/7% 

b.  16 2/3% 

c.  16 4/5% 

d.  16 1/3% 

Question number: 9
» 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: 10
» 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 

Question number: 11
» Mathematics » Statistics
Question
A card is drawn from a well shuffled pack of cards. The probability of getting a queen of club or a king of heart is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 12
» Mathematics » Statistics
Question
The mean of 78 numbers is 27. If each observation is divided by 3, the new mean is
Choices
Choice (4)  Response  

a.  9 

b.  27 

c.  18 

d.  None of the above 

Question number: 13
» Mathematics » Statistics
Question
If the mean and median of a set of numbers are 8.9 and 9 respectively, then the mode will be
Choices
Choice (4)  Response  

a.  8.2 

b.  9.2 

c.  10.2 

d.  7.2 

Question number: 14
» Mathematics » Statistics
Question
For the data 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, …, 9, 9, the product of mean and mode equals to
Choices
Choice (4)  Response  

a.  9 

b.  285 

c.  57 

d.  45 
