NCO Cyber Olympiad Class 9: Questions 55  60 of 410
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 410 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
Question number: 55
» Mental Ability » Number Games » Number Series
Question
8, 6, 9, 23, 87, ________what number should come next?
Choices
Choice (4)  Response  

a.  226 

b.  128 

c.  345 

d.  429 

Question number: 56
» Mental Ability » Basic Algebra
Question
If , then b equals
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 57
» Mental Ability » Basic Arithmetic
Question
Ramila got married 7 years ago. Today her age is times her age at the time of marriage. Her son’s age is times her age. Her son’s age is________
Choices
Choice (4)  Response  

a.  2.8 years 

b.  5 years 

c.  4.1 years 

d.  3.3 years 

Question number: 58
» Mental Ability » Basic Algebra
Question
The factors of the expression are
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All a. , b. and c. are correct 

Question number: 59
» Mental Ability » Basic Arithmetic
Question
Three years ago the average age of P and Q was 16 years. With R joining them, the average becomes 20 years. How old is R now?
Choices
Choice (4)  Response  

a.  22 years 

b.  34 years 

c.  45 years 

d.  12 years 

Question number: 60
» Mental Ability » Basic Geometry
Question
Triangle PAB is formed by three tangents to circle O and ; then angle AOB equals
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

