Mental Ability (NCO Cyber Olympiad Class 9): Questions 28  31 of 219
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Question number: 28
» Mental Ability » Basic Arithmetic
Question
A car travels 120 km from A to B at 30 km per hour but returns the same distance at 40 km per hour. The average speed for the round trip is closest to
Choices
Choice (4)  Response  

a.  36km/hr 

b.  33 km/hr 

c.  35km/hr 

d.  34km/hr 

Question number: 29
» Mental Ability » Basic Algebra
Question
When simplified and expressed with negative exponents, the expression is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 30
» Mental Ability » Basic Statistics
Question
Study the diagram given below and answers the questions that follow:
Parallelogram is qualified Engineer person, right triangle is experienced Engineer person and hexagon is represent Engineer working in north India
Find the qualified and experienced engineer working in north India
Choices
Choice (4)  Response  

a.  7 

b.  5 

c.  1 

d.  2 

Question number: 31
» Mental Ability » Basic Statistics
Question
The diagram below depicts BSc (Hons. ) students, studying Chemistry, Physics and mathematics. What does the shaded portion depict?
a = students studying chemistry
b = students studying physics
c = students studying mathematics
Choices
Choice (4)  Response  

a.  Students who study chemistry and physics 

b.  Students who study chemistry, physics and mathematics 

c.  Students who study physics and mathematics 

d.  Students who study chemistry and mathematics 
