Mental AbilityNumber Games (NCO Cyber Olympiad (SOF) Class 7): Questions 7  14 of 25
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Question number: 7
» Mental Ability » Number Games
Question
What is the sum of two consecutive even numbers, the difference of whose squares is 84?
Choices
Choice (4)  Response  

a.  62 

b.  46 

c.  38 

d.  34 

Question number: 8
» Mental Ability » Number Games
Question
Two cubes have volumes in the ratio 1: 64. Then the ratio of their sides is
Choices
Choice (4)  Response  

a.  1: 8 

b.  1: 18 

c.  1: 4 

d.  1: 3 

Question number: 9
» Mental Ability » Number Games » Number Analogies
Question
On dividing a number by 4, we get 3 as remainder. What will be the remainder, when the square of this number is divided by 4?
Choices
Choice (4)  Response  

a.  2 

b.  5 

c.  1 

d.  0 

Question number: 10
» Mental Ability » Number Games » Number Series
Question
Two days after the day before yesterday is Wednesday, What day is today?
Choices
Choice (4)  Response  

a.  Monday 

b.  Tuesday 

c.  Sunday 

d.  Friday 

Question number: 11
» Mental Ability » Number Games » Number Series
Question
Complete the series: 2,5, 10,17,26, ________
Choices
Choice (4)  Response  

a.  39 

b.  50 

c.  28 

d.  37 

Question number: 12
» Mental Ability » Number Games » Number Series
Question
The day before yesterday was three days after Saturday. What day is today?
Choices
Choice (4)  Response  

a.  Friday 

b.  Thursday 

c.  Monday 

d.  Sunday 

Question number: 13
» Mental Ability » Number Games » Number Series
Question
The first seventh terms of a pattern are shown below. The rule of the pattern is to multiply by 2, then addition 2 and then subtract 1.
5,10,12,11,22,24,23…
What should be the tenth term of this pattern?
Choices
Choice (4)  Response  

a.  46 

b.  45 

c.  47 

d.  44 

Question number: 14
» Mental Ability » Number Games » Number Series
Question
Which sequence follows the rule , where n represents the position of a term in the sequence?
Choices
Choice (4)  Response  

a.  5,17,29,41,53, … 

b.  7,19,31,43,55, … 

c.  8,20,32,44,56, … 

d.  6,18,30,42,54, … 
