Same chapter1 markDifficulty: Medium
If a : b = 2 : 3 and b : c = 4 : 5, then a : c is:
Ratio and Proportion
3 marksDifficulty: Medium
Two numbers are in the ratio 3 : 4. If 8 is added to each, the ratio becomes 4 : 5. Find the numbers.
Original Khojo Papers practice question — not from a past board paper.
Answer
24 and 32
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Let the numbers be 3k and 4k. Then (3k + 8)/(4k + 8) = 4/5, so 5(3k + 8) = 4(4k + 8), that is 15k + 40 = 16k + 32, giving k = 8. The numbers are 24 and 32.
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