Mental Ability (NCO Cyber Olympiad (SOF) Class 6): Questions 30  37 of 394
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Question number: 30
» Mental Ability » Basic Statistics
Question
Find the mode for this set of numbers.
{5,8, 4,2, 3,9, 1,7, 9}
Choices
Choice (4)  Response  

a.  24 

b.  9 

c.  7 

d.  3 

Question number: 31
» Mental Ability » Basic Arithmetic
Question
A tank contains 1500 liter water. If 750 liters from that water transferred into another tank then the percentage of water left in the first tank is ________.
Choices
Choice (4)  Response  

a.  50% 

b.  85% 

c.  70% 

d.  45% 

Question number: 32
» Mental Ability » Basic Arithmetic
Question
From 6 to 39, how many numbers are divisible by 3 or 5?
Choices
Choice (4)  Response  

a.  10 

b.  16 

c.  12 

d.  None of the above 

Question number: 33
» Mental Ability » Number Games » Number Series
Question
In the given series find the number in place of? .
15,18,13,16,11, ?
Choices
Choice (4)  Response  

a.  7 

b.  15 

c.  18 

d.  14 

Question number: 34
» Mental Ability » Basic Arithmetic
Question
The product of two numbers is 3000. If the H. C. F. of the numbers is 10, then L. C. M. will be ________.
Choices
Choice (4)  Response  

a.  5 

b.  30 

c.  305 

d.  300 

Question number: 35
» Mental Ability » Basic Arithmetic
Question
One man sells 15 ball pens. If the selling price of ball pens is same as the cost price of 18 books then he will get profit or loss?
Choices
Choice (4)  Response  

a.  20% 

b.  25.7% 

c.  13.5% 

d.  30% 

Question number: 36
» Mental Ability » Ranking Test
Question
If all even numbers from 78 to 90 are arranged in descending order from bottom to top, which number will be at 6 ^{th} place from the bottom?
Choices
Choice (4)  Response  

a.  90 

b.  88 

c.  80 

d.  86 

Question number: 37
» Mental Ability » Basic Arithmetic
Question
Which set of data given below show a constant rate of change?Choices
Choice (4)  Response  

a. 

 
b. 

 
c. 

 
d. 

