Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 5): Questions 9  15 of 147
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 589 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 350.00 or
Question number: 9
» Mental Ability » Basic Arithmetic
Question
Which of the following expression below is true?
Choices
Choice (4)  Response  

a. 


b. 


c.  2 × (7 + 4) = 7 × (2 × 4) 

d. 


Question number: 10
» Mental Ability » Basic Arithmetic
Question
50 % of 150 are approximately ________.
Choices
Choice (4)  Response  

a.  15 

b.  70 

c.  50 

d.  75 

Question number: 11
» Mental Ability » Basic Arithmetic
Question
30 % of 160 are approximately ________.
Choices
Choice (4)  Response  

a.  48 

b.  32 

c.  59 

d.  50 

Question number: 12
» Mental Ability » Basic Arithmetic
Question
Reena worked over the weekend
Day  Hours 
Saturday  9.5 
Sunday  7 
How many more hours did Reena work on Saturday than on Sunday?
Choices
Choice (4)  Response  

a.  3 hours 

b.  2 hours 

c.  2.5 hours 

d.  1.5 hours 

Question number: 13
» Mental Ability » Basic Arithmetic
Question
Which of the following expression below is true?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  2 × (9 + 4) = 7 × (2 × 4) 

Question number: 14
» Mental Ability » Basic Arithmetic
Question
5 Mins + 25 secs = ________
Choices
Choice (4)  Response  

a.  3 mins 65 secs 

b.  6 mins 95 secs 

c.  3 mins 50 secs 

d.  4 mins 85 secs 

Question number: 15
» Mental Ability » Basic Arithmetic
Question
A Chair was bought for Rs. 1000 and sold for Rs. 900. Then the loss percent is
Choices
Choice (4)  Response  

a.  15% 

b.  5% 

c.  12% 

d.  10% 
