NCO Cyber Olympiad (SOF) Class 8: Questions 197  199 of 510
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Question number: 197
» Mental Ability » Basic Arithmetic
Question
Sneha can do a piece of work in 30 days. She works at it for 10 days and then Mona alone finishes the work in 10 days. The two together could have completed the work in
Choices
Choice (4)  Response  

a.  8 days 

b.  20 days 

c.  10 days 

d.  15 days 

Question number: 198
» Mental Ability » Basic Arithmetic
Question
On the map shown above, 2 inches represents 15 miles. The distance between School and Library is 6.8 inches. What is the actual distance between them?
Choices
Choice (4)  Response  

a.  170 miles 

b.  51 miles 

c.  13.6 miles 

d.  6.8 miles 

Question number: 199
» Mental Ability » Number Games » Number Analogies
Question
The diagram shows how some of the subsets of the set of real numbers are related. The letters represent members of the sets.
Meena wants to replace the letters with actual numbers. Which letter could be replaced with 5?
Choices
Choice (4)  Response  

a.  t 

b.  p 

c.  s 

d.  w 
