Mental Ability (NCO Cyber Olympiad (SOF) Class 9): Questions 88  92 of 219
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Question number: 88
» Mental Ability » Basic Arithmetic
Question
Divide 116 among four parts such that 5 added to first part, 4 subtracted from second part, third multiplied by 3 and the fourth divided by2 are all equal.
Choices
Choice (4)  Response  

a.  24,36,72,90 

b.  22,31,9, 54 

c.  15,30,45,60 

d.  32,21,9, 60 

Question number: 89
» Mental Ability » Basic Algebra
Question
Secants and intersect the circle at A and C respectively. What is the length of ?
Choices
Choice (4)  Response  

a.  4 

b.  5 

c.  3 

d.  6 

Question number: 90
» Mental Ability » Basic Statistics
Question
Based strictly on this diagram, which is a valid conclusion?
Choices
Choice (4)  Response  

a.  No cat owners own dogs 

b.  No dog owners own fish 

c.  No fish owners own cats 

d.  No pet owner owns more than 1 pet 

Question number: 91
» Mental Ability » Basic Statistics
Question
Which of the following number indicates the urban, uncorrupt, civilian in the adjoining diagram.
Choices
Choice (4)  Response  

a.  5 

b.  9 

c.  6 

d.  1 

Question number: 92
» Mental Ability » Basic Algebra
Question
In a circle of radius 6 cm. A secant and tangent are drawn from an external point P such that secant passes through the center of the circle and intersect the circle at B and D. The tangent segment has length cm and the external segment of the secant has length 4 cm. What is the length of the tangent segment?
Choices
Choice (4)  Response  

a.  8 

b.  3 

c.  9 

d.  5 
