Mental Ability (NCO Cyber Olympiad Class 5): Questions 52  58 of 257
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Question number: 52
» Mental Ability » Basic Arithmetic
Question
Each cube on the scale weights 10 gms. All the bottle has equal weights. What is the weight of one of the bottle?
Choices
Choice (4)  Response  

a.  20 gm 

b.  10 gm 

c.  30 gm 

d.  15 gm 

Question number: 53
» Mental Ability » Basic Geometry
Question
The length of a rectangular surface is 8 cm. If the perimeter is 20 cm, what is the area of the surface?
Choices
Choice (4)  Response  

a.  1 

b.  16 

c.  54 

d.  66 

Question number: 54
» Mental Ability » Basic Arithmetic
Question
The sum of all numbers from 1 to 5 is ________.
Choices
Choice (4)  Response  

a.  odd 

b.  Negative 

c.  Prime number 

d.  Even 

Question number: 55
» Mental Ability » Basic Arithmetic
Question
Three out of every ten students in the fifth grade own a computer. There are 50 students in the fifth grade. How many fifth grade students own computers?
Choices
Choice (4)  Response  

a.  10 Students 

b.  25 Students 

c.  15 Students 

d.  20 Students 

Question number: 56
» Mental Ability » Basic Arithmetic
Question
choose the symbol that will make this statement true.
55 + 11 ________ 44 + 22
Choices
Choice (4)  Response  

a.  < 

b.  = 

c.  > 

d.  All of the above 

Question number: 57
» Mental Ability » Basic Arithmetic
Question
Choose the symbol that will make this statement true.
54 + 19 ________ 34 + 29
Choices
Choice (4)  Response  

a.  = 

b.  > 

c.  < 

d.  ~ 

Question number: 58
» Mental Ability » Basic Arithmetic
Question
Each Pyramid on the scale weights 15 gms. All the cubes have equal weights. What is the weight of one of the cubes?
Choices
Choice (4)  Response  

a.  15gms 

b.  60gms 

c.  20gms 

d.  30gms 
