Arithmeticeasy · Past Paper
If 5:a :: 20:28, then 'a' is:
A7
B4
C14
D8
✓ Correct Answer: A — 7
5/a = 20/28 => 20a = 140 => a = 7.
Share this question
More from Arithmetic
- If CP of 15 items is equal to SP of 20 items, find the loss %.
- If a:b = c:d, which of the following is true by Componendo and Dividendo?
- The CI on a certain sum for 2 years is Rs. 41 and SI is Rs. 40. Find the rate of interest.
- Which ratio is greater: 3:4 or 5:6?
- In a library, 20% books are in Hindi, 50% of the remaining are in English and the remaining 9000 are in other languages. Total books are: