Mental Ability (NCO Cyber Olympiad Class 9): Questions 161  165 of 219
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Question number: 161
» Mental Ability » Basic Arithmetic
Question
The sum of two angles of a triangle is 106° and their difference is 10°, find all the angles of the triangle
Choices
Choice (4)  Response  

a.  48°, 58°, 74° 

b.  50°, 40°, 90° 

c.  30°, 60°, 90° 

d.  40°, 50°, 90° 

Question number: 162
» Mental Ability » Basic Algebra
Question
Which equation is the slope intercept form of ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 163
» Mental Ability » Basic Algebra
Question
X

2

0

2

4

6

Y

4

3

2

1

0 
Which equation fits the data in the table?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 164
» Mental Ability » Number Games » Number Series
Question
In the following number series how many 9’s which are followed by a square number but not preceded by an odd number?
5 6 7 9 1 8 9 4 2 9 9 6 4 9 4 9 1 8 9 9
Choices
Choice (4)  Response  

a.  6 

b.  4 

c.  5 

d.  7 

Question number: 165
» Mental Ability » Basic Algebra
Question
The volume of a rectangular solid is 1000 cubic inches. The dimensions of the base are 50 inches by 10 inches. What is the height of the solid?
Choices
Choice (4)  Response  

a.  40 in 

b.  89 in 

c.  2 in 

d.  9 in 
