Question

X6. A student did six of ten problems correctly. What is the ratio of the number of right problems
to the number of wrong problems? For every two wrong answers how many were right?
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Answer 1

Answer:

i) 6 : 4

ii) 3

Step-by-step explanation:

Total number of questions = 10

Number of right answers    = 6

Number of wrong answers = 4

Ratio of the number of right problems  

to the number of wrong problems = 6 : 4

For every two wrong answers how many were right = 3