Mental Ability (NCO Cyber Olympiad Class 6): Questions 213  216 of 394
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Question number: 213
» Mental Ability » Number Games » Number Series
Question
One number in this sequence is wrong.
18, 20, 22, 24, 26, 30
What change should be made to correct this sequence?
Choices
Choice (4)  Response  

a.  26 should be replaced by 28 

b.  18 should be replaced by 16 

c.  30 should be replaced by 28 

d.  18 should be replaced by 14 

Question number: 214
» Mental Ability » Number Games
Question
One number in this sequence is wrong.
10, 15, 20, 25, 31, 35
What change should be made to correct this sequence?
Choices
Choice (4)  Response  

a.  25 should be replaced by 26 

b.  31 should be replaced by 30 

c.  20 should be replaced by 21 

d.  10 should be replaced by 11 

Question number: 215
» Mental Ability » Basic Geometry
Question
On the map, Janpath Lane is parallel to Park Lane. South Avenue is perpendicular to Janpath Lane.
Which statement below must also be true?
Choices
Choice (4)  Response  

a.  South Avenue is perpendicular to Hill Drive 

b.  Janpath lane will intersect Park Lane 

c.  South Avenue is perpendicular to Park Lane 

d.  Janpath lane is parallel to Hill Drive 

Question number: 216
» Mental Ability » Basic Arithmetic
Question
A teacher is taking his class to a trip of seashore where students have to collect white pebbles. The pictograph below shows the number of pebbles collected by students each day.
According to the information in the pictogram, how many pebbles were collected on Wednesday?
Choices
Choice (4)  Response  

a.  6 

b.  24 

c.  3 

d.  20 
