Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 5): Questions 9  15 of 147
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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% 
