Mental AbilityBasic Algebra (NCO Cyber Olympiad Class 9): Questions 23  27 of 101
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Question number: 23
» Mental Ability » Basic Algebra
Question
X

1

0

1

2

Y

3

1

1

3 
Which equation fits the data in the table?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 24
» Mental Ability » Basic Algebra
Question
What is equivalent to ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 25
» Mental Ability » Basic Algebra
Question
Sapna cut a cake in two equal parts and one of these two pieces is again cut into equal parts. Each small part is of 15 grams. If there are five parts of the whole cake, what was the weight of the original cake?
Choices
Choice (4)  Response  

a.  120 grams 

b.  150 grams 

c.  100 grams 

d.  160 grams 

Question number: 26
» 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: 27
» 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 
