Mental Ability (NCO Cyber Olympiad Class 7): Questions 10  15 of 205
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Question number: 10
» Mental Ability » Basic Arithmetic
Question
If = 3125, then n=?
Choices
Choice (4)  Response  

a.  20 

b.  2 

c.  6 

d.  8 

Question number: 11
» Mental Ability » Basic Arithmetic
Question
In an examination, one should get 16 % of the maximum marks to pass. A student obtains 100 marks and declared failed by 32 marks. The maximum marks are
Choices
Choice (4)  Response  

a.  825 

b.  640 

c.  500 

d.  1008 

Question number: 12
» Mental Ability » Basic Arithmetic
Question
Three friends divide rupees 300 among themselves in the ratio . The share of the first friend is________.
Choices
Choice (4)  Response  

a.  Rs. 192 

b.  Rs. 148 

c.  Rs. 163.63 

d.  Rs. 288 

Question number: 13
» Mental Ability » Basic Arithmetic
Question
Find four numbers in the ratio 1: 2: 2: 4 such that the sum of their squares is 625.
Choices
Choice (4)  Response  

a.  4 

b.  6 

c.  2 

d.  5 

Question number: 14
» Mental Ability » Basic Statistics
Question
Shyam travels 7 km to the north. Then he turns to the right and walks 3 km. Then again, he turns to his right and moves 7 km forward. How many km away is he from the starting point?
Choices
Choice (4)  Response  

a.  13 km 

b.  20 km 

c.  3 Km 

d.  10 km 

Question number: 15
» Mental Ability » Basic Statistics
Question
What is the correct diagram for: Food, Rose, Star
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
