Mental AbilityBasic Arithmetic (NCO Cyber Olympiad Class 7): Questions 106  112 of 122
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Question number: 106
» Mental Ability » Basic Arithmetic
Question
If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is.
Choices
Choice (4)  Response  

a.  3x 

b.  x 

c. 


d.  2x 

Question number: 107
» Mental Ability » Basic Arithmetic
Question
The value of is
Choices
Choice (4)  Response  

a.  1.466 

b.  2.30 

c.  1.00 

d.  4.55 

Question number: 108
» Mental Ability » Basic Arithmetic
Question
In an election, two candidates contested. A candidate secured 40 % of the valid votes and is elected by a majority of 200 votes. Find the total number of valid votes.
Choices
Choice (4)  Response  

a.  700 

b.  1000 

c.  880 

d.  450 

Question number: 109
» Mental Ability » Basic Arithmetic
Question
In an election, two candidates contested. A candidate secured 80 % of the valid votes and is elected by a majority of 156 votes. Find the total number of valid votes.
Choices
Choice (4)  Response  

a.  610 

b.  880 

c.  700 

d.  390 

Question number: 110
» Mental Ability » Basic Arithmetic
Question
A man sold a radio for 1320 and gained 10%, the radio was bought for?
Choices
Choice (4)  Response  

a.  1200 

b.  1790 

c.  980 

d.  850 

Question number: 111
» Mental Ability » Basic Arithmetic
Question
3 children and 9 men completed a certain piece of work in 12 days. Each children takes thrice the time taken by a man to finish the work. In how many days will 9 men finish the same work?
Choices
Choice (4)  Response  

a.  8 

b.  13.3 

c.  12.5 

d.  15.6 

Question number: 112
» Mental Ability » Basic Arithmetic
Question
Two cubes have volumes in the ratio 1: 8. Then the ratio of their sides is
Choices
Choice (4)  Response  

a.  1: 8 

b.  1: 18 

c.  1: 2 

d.  1: 4 
