Multiple choice

In what ratio a shopkeeper mixes two varieties of the same article costing Rs.60 per kg. and Rs.65 per kg. respectively so that on selling the mixture at Rs.68.20 his gain is 10%?

  1. 3 : 2

  2. 3 : 4

  3. 3 : 5

  4. 4 : 5

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Selling price with 10% gain means cost price = 68.20 / 1.10 = Rs.62 per kg. Using alligation method: difference from mean (62) gives (62-60):(65-62) = 2:3. The ratio of quantities (costlier:cheaper) is 3:2. Option A is correct.