NCO Cyber Olympiad (SOF) Class 10: Questions 24  27 of 461
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Question number: 24
» Mental Ability » Basic Arithmetic
Question
20 liters of a mixture contains 10 % water and the rest orange juice. If 3 liters of orange juice be mixed in it, the percentage of water in the new mixture will be
Choices
Choice (4)  Response  

a.  20% 

b.  % 

c. 


d. 


Question number: 25
» Mental Ability » Basic Geometry
Question
Calculate the area of the shaded portion. The quadrants shown in the figure are each of radius 14 cm. Take .
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 26
» Mental Ability » Basic Arithmetic
Question
Six years hence a man’s age will be three times his son’s age and six years ago he was seven times as old as his son. The present ages of the man and his son respectively are.
Choices
Choice (4)  Response  

a.  48,12 

b.  64,20 

c.  42,16 

d.  40,10 

Question number: 27
» Verbal Reasoning » Odd Man Out
Question
Four diagrams are given, three of which are similar in some way and one is different. Find the one that is different.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
