Mathematics (NTSE Stage2 (NationalLevel) ScholasticAptitude & Language Comprehension): Questions 17  22 of 112
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Question number: 17
» Mathematics » Exponents
Question
The unit digit in the product of is
Choices
Choice (4)  Response  

a.  9 

b.  3 

c.  5 

d.  7 

Question number: 18
» Mathematics » Percentage
Question
If x is inversely proportional to y and x is increase by 20%, then y decrease by (Note x and y have same initial value)
Choices
Choice (4)  Response  

a.  % 

b.  % 

c. 


d. 


Question number: 19
» Mathematics » Arithmetic
Question
The cost of a pen is Rs. 5 and the cost of a pencil is Rs. 1. The ratio between number of pen and pencil is 2: 3. If 12 % and 10 % of cost of pen and pencil respectively is increased, then the total selling price of both is Rs. 725. What is the difference between number of pen and pencil?
Choices
Choice (4)  Response  

a.  30 

b.  63 

c.  59 

d.  50 

Question number: 20
» Mathematics » Algebraic Expressions
Question
How many factors of () lie between 2 and 10?
Choices
Choice (4)  Response  

a.  1 

b.  0 

c.  2 

d.  3 

Question number: 21
» Mathematics » Percentage
Question
Due to the higher tax of the commodity, Government decides to decrease 15 % tax of the commodity. But the consumption is increased by 10%. Then, the decreasing percentage in revenue corresponding to new revenue is
Choices
Choice (4)  Response  

a.  7.3% 

b.  6.5% 

c.  5.5% 

d.  4.5% 

Question number: 22
» Mathematics » Percentage
Question
The fruit seller has some apples. He sells 40 % apples and still has 420 apples. Originally, he had
Choices
Choice (4)  Response  

a.  700 apples 

b.  672 apples 

c.  588 apples 

d.  600 apples 
