Mental Ability (NCO Cyber Olympiad Class 7): Questions 16  19 of 205
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Question number: 16
» Mental Ability » Basic Arithmetic
Question
Three friends divide rupees 500 among themselves in the ratio . The share of the second friend is________.
Choices
Choice (4)  Response  

a.  Rs. 160 

b.  Rs. 148 

c.  Rs. 288 

d.  Rs. 192 

Question number: 17
» Mental Ability » Basic Arithmetic
Question
The average weight of 25 students in class 8^{th} of a school is 42 kg. Two new students, each of whom weighed 52 kg and 68 kg respectively were admitted in the class. Find the new average weight of the students in the class.
Choices
Choice (4)  Response  

a.  43.33 kg 

b.  42.2kg 

c.  45.7kg 

d.  40 kg 

Question number: 18
» Mental Ability » Basic Statistics
Question
What is the correct diagram for: Moon, Sun, Earth
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 19
» Mental Ability » Basic Statistics
Question
Two number are in the ratio 3: 5. If 9 is subtracted from each, the new numbers are in the ratio 15: 19. The smaller number is.
Choices
Choice (4)  Response  

a.  6 

b.  2 

c.  10 

d.  12 
