Mental Ability (NCO Cyber Olympiad (SOF) Class 6): Questions 88  95 of 394
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Question number: 88
» Mental Ability » Basic Arithmetic
Question
The number that should replace the triangle so that the following forms a proportion is________.
23,56,42, ∆
Choices
Choice (4)  Response  

a.  105 

b.  100 

c.  102 

d.  104 

Question number: 89
» Mental Ability » Basic Statistics
Question
Find the median for this set of numbers.
{1,4, 7,8, 10,15,19}
Choices
Choice (4)  Response  

a.  10 

b.  7 

c.  8 

d.  15 

Question number: 90
» Mental Ability » Basic Arithmetic
Question
is equivalent to ________.
Choices
Choice (4)  Response  

a.  50% 

b.  30% 

c.  25% 

d.  75% 

Question number: 91
» Mental Ability » Basic Arithmetic
Question
I think of a number, add 10 to it and divide the answer by 2. Let the resulting number be X. Starting with X, how can I get my original number back?
Choices
Choice (4)  Response  

a.  Add 2 to X and then divide the resulting number by 10 

b.  Multiply X by 2 and then add 10 to the result 

c.  Divide X by 2 and then add 10 to the result 

d.  Multiply X by 2 and then subtract 10 from the result 

Question number: 92
» Mental Ability » Basic Arithmetic
Question
How many numbers from 45 to 86 divisible by 9?
Choices
Choice (4)  Response  

a.  5 

b.  3 

c.  4 

d.  7 

Question number: 93
» Mental Ability » Basic Arithmetic
Question
If all the numbers from 12 to 110 which are divisible by 12 are arranged in descending order then which number will be at 8 ^{th} place?
Choices
Choice (4)  Response  

a.  84 

b.  24 

c.  12 

d.  96 

Question number: 94
» Mental Ability » Basic Arithmetic
Question
The product of two numbers is 500. If the H. C. F. of the numbers is 5, then L. C. M. will be ________.
Choices
Choice (4)  Response  

a.  5 

b.  50 

c.  100 

d.  150 

Question number: 95
» Mental Ability » Basic Arithmetic
Question
Teams of cricketers were playing cricket. Each team takes 35 to 38 minutes long to complete their turn. Which of the following is the best estimate of number of teams to complete their turn in 5hours?
Choices
Choice (4)  Response  

a.  5 teams 

b.  8 teams 

c.  7 teams 

d.  9 teams 
