Question
If the third proportion of 18 and 12 is "0.25m", then
find the value of (m − 10) : (m + 30).Solution
Third proportion of two numbers 'a' and 'b' is (b²/a). So, 0.25m = (12²/18) = 8. Or, 'm' = 32. Required value = (32 - 10) : (32 + 30) = 22 : 62 = 11 : 31.
More Ratio and proportion Questions
Eructation
A person who believes that nothing is known or can be known of the existence or nature of God.
- In the following sentence, choose the word opposite in meaning to the bold word to fill in the blank.
The conference was dull for most attendees, b... Choose the correct option.
The event planners admitted they... the number of people that would come for the carnival.
Recoup
The city's skyline was resplendent at night.
Select the correct conclusion based on the meaning of the highlighted idiom:
Statement: Splitting hairs is futile and will not resolve our proble...
Pragmatist
Find the appropriate answer.
Do you trust me?
Relevant for Exams:
