Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 7): Questions 58  64 of 122
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Question number: 58
» Mental Ability » Basic Arithmetic
Question
The value of is
Choices
Choice (4)  Response  

a.  2.30 

b.  0.399 

c.  1.20 

d.  1.00 

Question number: 59
» Mental Ability » Basic Arithmetic
Question
Find the value of in each of the following equations
Choices
Choice (4)  Response  

a.  5.40 

b.  3.60 

c.  0.61 

d.  1.62 

Question number: 60
» Mental Ability » Basic Arithmetic
Question
Which of the following can be the exact multiple of 6?
Choices
Choice (4)  Response  

a.  63 

b.  7 

c.  252 

d.  28 

Question number: 61
» Mental Ability » Basic Arithmetic
Question
The product of two numbers is . If one of the number is , find the other.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 62
» Mental Ability » Basic Arithmetic
Question
6 children and 10 men completed a certain piece of work in 12 days. Each children takes twice the time taken by a man to finish the work. In how many days will 10 men finish the same work?
Choices
Choice (4)  Response  

a.  8 

b.  15.6 

c.  12.5 

d.  9 

Question number: 63
» Mental Ability » Basic Arithmetic
Question
Convert the 0.25 into vulgar fractions
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 64
» Mental Ability » Basic Arithmetic
Question
A train 360 m long is running at a speed of . In what time will it pass a bridge 140 m long?
Choices
Choice (4)  Response  

a.  48 sec 

b.  45 sec 

c.  40 sec 

d.  42 sec 
