Mental AbilityBasic Arithmetic (NCO Cyber Olympiad (SOF) Class 5): Questions 95  98 of 147
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Question number: 95
» Mental Ability » Basic Arithmetic
Question
Mrs. Mansi is 46 year old. Her daughter is 18 years old. The ages of Mrs. Mansi, her husband Mr. Bhavin and their daughter add up to 80. Which equation could be used to determine how old Mr. Bhavin is if n = Mr. Bhavin’s age?
Choices
Choice (4)  Response  

a.  18 + 8+46 = n 

b.  46 + 18 + n=80 

c.  18 + n=46 + 8 

d.  All of the above 

Question number: 96
» Mental Ability » Basic Arithmetic
Question
What is the difference in the temperatures of Monday and Wednesday?
Choices
Choice (4)  Response  

a.  10 C 

b.  5 C 

c.  0 C 

d.  20 C 

Question number: 97
» Mental Ability » Basic Arithmetic
Question
The given table shows the number of phone calls a radio station received each week for the last month.
WEEKLY PHONE CALLS
Week  Number of calls Received 
1  6289 
2  7941 
3  4306 
4  6755 
Which is the best estimate of the total number of calls received in the fourweek period?
Choices
Choice (4)  Response  

a.  15000 

b.  20000 

c.  30000 

d.  25000 

Question number: 98
» Mental Ability » Basic Arithmetic
Question
The picture below shows what happened when different numbers were put in the same number machine
Which could be the rule used in this number machine?
Choices
Choice (4)  Response  

a.  Subtract 9 

b.  Multiply by 3 then add 2 

c.  Multiply by 2 then add 2 

d.  Add 5 
